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      printf, fprintf, sprintf, snprintf

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      <c‎ |io

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      The translation may contain errors and awkward wording. Hover over text to see the original version. You can help to fix errors and improve the translation. For instructions clickhere.

      Click here for the English version of this page

       
       
      Fichier d'entrée / sortie
      Fonctions
      Original:
      Functions
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      Déposer accès
      Original:
      File access
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      Entrée / sortie directe
      Original:
      Direct input/output
      The text has been machine-translated viaGoogle Translate.
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      fread
      fwrite
      Entrée non formatée / sortie
      Original:
      Unformatted input/output
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      Mise en forme d'entrée / sortie
      Original:
      Formatted input/output
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      scanf
      fscanf
      sscanf
      vscanf
      vfscanf
      vsscanf      		 (C99)
      (C99)
      (C99)
      printf
      fprintf
      sprintf
      snprintf


      (C99)
      vprintf
      vfprintf
      vsprintf
      vsnprintf


      (C99)
      Fichier de positionnement
      Original:
      File positioning
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      ftell
      fgetpos
      fseek
      fsetpos
      rewind
      Erreur de manipulation
      Original:
      Error handling
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      clearerr
      feof
      ferror
      perror
      Les opérations sur les fichiers
      Original:
      Operations on files
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      remove
      rename
      tmpfile
      tmpnam
       
      Déclaré dans l'en-tête<stdio.h>
      ​int printf(constchar*format, ...);​
      		 (1)
      int fprintf(FILE*stream,constchar*format, ...);
      		 (2)
      int sprintf(char*buffer,constchar*format, ...);
      		 (3)
      int snprintf(char*buffer,int buf_size,constchar*format, ...);
      		 (4)
      Charge les données à partir des emplacements donnés, les convertit en équivalents de chaînes de caractères et écrit les résultats d'une série de puits .
      Original:
      Loads the data from the given locations, converts them to character string equivalents and writes the results to a variety of sinks.
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      1)
      Écrit les résultatsstdout .
      Original:
      Writes the results tostdout.
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      2)
      Écrit les résultats dans un fichier ..stream flux
      Original:
      Writes the results to a file streamstream.
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      3)
      Écrit les résultats dans unbuffer chaîne de caractères .
      Original:
      Writes the results to a character stringbuffer.
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      4)
      Écrit les résultats dans unbuffer chaîne de caractères. Tout au plusbuf_size - 1 caractères sont écrits. La chaîne de caractères résultante sera terminé par un caractère nul, à moinsbuf_size est nul .
      Original:
      Writes the results to a character stringbuffer. At mostbuf_size - 1 characters are written. The resulting character string will be terminated with a null character, unlessbuf_size is zero.
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      Sommaire

      [modifier]Paramètres

      stream -
      flux de fichier de sortie dans lequel écrire
      Original:
      output file stream to write to
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      buffer -
      pointeur vers une chaîne de caractères à écrire
      Original:
      pointer to a character string to write to
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      buf_size -
      jusqu'à buf_size - 1 caractères peuvent être écrites, ainsi que le terminateur null
      Original:
      up to buf_size - 1 characters may be written, plus the null terminator
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      format -
      pointeur vers une chaîne multi-octets terminée par NULL spécifiant la façon d'interpréter les données.
      La chaîne de format est constitué de caractères blancs, caractère non blanc (sauf%) et les spécifications de conversion. Chaque spécification de conversion a le format suivant:
      Original:
      The format string consists of whitespace characters, non-whitespace characters (except%) and conversion specifications. Each conversion specification has the following format:
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      • % caractère introductif
        Original:
        introductory% character
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      • (en option) une ou plusieurs indicateurs qui modifient le comportement de la conversion:
        Original:
        (en option) one or more flags that modify the behavior of the conversion:
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      • -: le résultat de la conversion est justifié à gauche dans le champ (par défaut, il est justifié à droite)
        Original:
        -: the result of the conversion is left-justified within the field (by default it is right-justified)
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      • +: le signe de conversions signé est toujours ajouté au résultat de la conversion (par défaut le résultat est précédée par moins que si elle est négative)
        Original:
        +: the sign of signed conversions is always prepended to the result of the conversion (by default the result is preceded by minus only when it is negative)
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      • Espace: si le résultat d'une conversion signée ne commence pas par un caractère de signe, ou est vide, l'espace est ajouté au résultat. Il est ignoré si l'indicateur+ est présent .
        Original:
        space: if the result of a signed conversion does not start with a sign character, or is empty, space is prepended to the result. It is ignored if+ flag is present.
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      • #:' autre forme de la conversion est effectuée. Voir le tableau ci-dessous pour effets exacts .
        Original:
        # :alternative form of the conversion is performed. See the table below for exact effects.
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      • 0: pour nombres entiers et décimaux conversions nombre de points, des zéros sont utilisés pour remplir le champ au lieu de l'espace' caractères. Pour les nombres à virgule flottante, elle est ignorée si la précision est explicitement spécifié. Pour les autres conversions en utilisant ces résultats pavillon à un comportement indéfini. Il est ignoré si l'indicateur- est présent .
        Original:
        0 : for integer and floating point number conversions, leading zeros are used to pad the field instead ofspace characters. For floating point numbers it is ignored if the precision is explicitly specified. For other conversions using this flag results in undefined behavior. It is ignored if- flag is present.
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      • Valeur (en option) entier ou* qui spécifie la largeur de champ minimale. Le résultat est rembourré avec de l'espace' caractères (par défaut), le cas échéant, sur la gauche lorsque justifié à droite, ou sur la droite si justifié à gauche. Dans le cas où on utilise*, la largeur est spécifiée par un argument supplémentaire deint type. Si la valeur de l'argument est négatif, il en résulte de la largeur- drapeau champ spécifié et positif .
        Original:
        (en option) integer value or* that specifies minimum field width. The result is padded withspace characters (by default), if required, on the left when right-justified, or on the right if left-justified. In the case when* is used, the width is specified by an additional argument of typeint. If the value of the argument is negative, it results with the- flag specified and positive field width.
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      • (en option). suivie par nombre entier ou* qui spécifie' précision de la conversion. Dans le cas où* est utilisé, la précision' est spécifiée par un argument supplémentaire deint type. Si la valeur de cet argument est négatif, il est ignoré. Voir le tableau ci-dessous pour les effets exacts de précision' .
        Original:
        (en option). followed by integer number or* that specifiesprecision of the conversion. In the case when* is used, theprecision is specified by an additional argument of typeint. If the value of this argument is negative, it is ignored. See the table below for exact effects ofprecision.
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      • (en option)' modificateur de longueur qui spécifie la taille de l'argument
        Original:
        (en option)length modifier that specifies the size of the argument
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      • le format spécificateur de conversion
        Original:
        conversion format specifier
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      Les spécificateurs de format suivants sont disponibles:
      Original:
      The following format specifiers are available:
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      Conversion
      specifier      		 Explanation Argument type
      length modifierhhh (none)llljztL
      % writes literal%. The full conversion specification must be%%.N/AN/AN/AN/AN/AN/AN/AN/AN/A
      c writes asingle characterN/AN/Acharwchar_tN/AN/AN/AN/AN/A
      s writes acharacter stringN/AN/Achar*wchar_t*N/AN/AN/AN/AN/A
      d
      i
      convertit 'entier décimal' une signature dans le style [-] dddd .
      Original:
      converts a signeddecimal integer in the style[-]dddd.
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      Précision' spécifie le nombre minimal de chiffres à apparaître. La précision par défaut est1.
      Original:
      Precision specifies the minimum number of digits to appear. The default precision is1.
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      Si les deux la valeur convertie et la précision sont​0​ les résultats de la conversion dans aucun des caractères .
      Original:
      If both the converted value and the precision are​0​ the conversion results in no characters.
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      signedchar
      signedshort
      signedint
      signedlong
      signedlonglong
      		N/A
      o
      convertit un signé 'entier octal' dans le style [-] oooo .
      Original:
      converts a signedoctal integer in the style[-]oooo.
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      Précision' spécifie le nombre minimal de chiffres à apparaître. La précision par défaut est1 .
      Original:
      Precision specifies the minimum number of digits to appear. The default precision is1.
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      Si les deux la valeur convertie et la précision sont​0​ les résultats de la conversion dans aucun des caractères .
      Original:
      If both the converted value and the precision are​0​ the conversion results in no characters.
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      Dans la variante de réalisation' précision est augmentée si nécessaire, pour écrire une zéros .
      Original:
      In thealternative implementation precision is increased if necessary, to write one leading zero.
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      Dans ce cas, si les deux la valeur convertie et la précision sont​0​,​0​ unique est écrit .
      Original:
      In that case if both the converted value and the precision are​0​, single​0​ is written.
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      		N/A
      x
      X
      convertit 'entier hexadécimal' une signature dans le style [-] hhhh .
      Original:
      converts a signedhexadecimal integer in the style[-]hhhh.
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      Pour les lettres de conversionxabcdef sont used.
      Original:
      For thex conversion lettersabcdef are used.
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      Pour les lettres de conversionXABCDEF sont used.
      Original:
      For theX conversion lettersABCDEF are used.
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      Précision' spécifie le nombre minimal de chiffres à apparaître. La précision par défaut est1 .
      Original:
      Precision specifies the minimum number of digits to appear. The default precision is1.
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      Si les deux la valeur convertie et la précision sont​0​ les résultats de la conversion dans aucun des caractères .
      Original:
      If both the converted value and the precision are​0​ the conversion results in no characters.
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      Dans la variante de réalisation'0x ou0X est préfixé à des résultats si la valeur convertie est différent de zéro .
      Original:
      In thealternative implementation0x or0X is prefixed to results if the converted value is nonzero.
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      		N/A
      u
      convertit un 'entier non signé décimal dans le style' dddd .
      Original:
      converts anunsigned decimal integer in the styledddd.
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      Précision' spécifie le nombre minimal de chiffres à paraître .
      Original:
      Precision specifies the minimum number of digits to appear.
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      La précision par défaut est1 .
      Original:
      The default precision is1.
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      Si les deux la valeur convertie et la précision sont​0​ les résultats de la conversion dans aucun des caractères .
      Original:
      If both the converted value and the precision are​0​ the conversion results in no characters.
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      unsignedchar
      unsignedshort
      unsignedint
      unsignedlong
      unsignedlonglong
      		N/A
      f
      F
      convertit 'nombre à virgule flottante' pour la notation décimale dans le style [-] ddd.ddd .
      Original:
      convertsfloating-point number to the decimal notation in the style[-]ddd.ddd.
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      ' Précision spécifie le nombre minimal de chiffres après le séparateur décimale .
      Original:
      Precision specifies the minimum number of digits to appear after the decimal point character.
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      La précision par défaut est6 .
      Original:
      The default precision is6.
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      Dans la variante de réalisation' point décimal est écrit, même si aucun chiffre ne le suit .
      Original:
      In thealternative implementation decimal point character is written even if no digits follow it.
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      Pour le style de conversion de l'infini et not-a-number voir notes .
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/A
      double
      double
      		N/AN/AN/AN/A
      longdouble
      e
      E
      convertit nombre à virgule flottante »à la notation d'exposant décimal .
      Original:
      convertsfloating-point number' to the decimal exponent notation.
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      Pour le style de conversione [-] d.ddd'e ± dd est used.
      Original:
      For thee conversion style[-]d.ddde±dd is used.
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      Pour le style de conversionE [-] d.ddd'E ± dd est used.
      Original:
      For theE conversion style[-]d.dddE±dd is used.
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      Celui-ci contient au moins deux chiffres, d'autres chiffres ne sont utilisés que si nécessaire .
      Original:
      The exponent contains at least two digits, more digits are used only if necessary.
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      Si la valeur est​0​, l'exposant est également​0​ .
      Original:
      If the value is​0​, the exponent is also​0​.
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      ' Précision spécifie le nombre minimal de chiffres après le séparateur décimale .
      Original:
      Precision specifies the minimum number of digits to appear after the decimal point character.
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      La précision par défaut est6 .
      Original:
      The default precision is6.
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      Dans la variante de réalisation' point décimal est écrit, même si aucun chiffre ne le suit .
      Original:
      In thealternative implementation decimal point character is written even if no digits follow it.
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      Pour le style de conversion de l'infini et not-a-number voir notes .
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/AN/AN/AN/AN/A
      a
      A
      convertit nombre à virgule flottante »à la notation hexadécimale exposant .
      Original:
      convertsfloating-point number' to the hexadecimal exponent notation.
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      Pour le style de conversiona [-]'0x h.hhh'p ± d est used.
      Original:
      For thea conversion style[-]0xh.hhhp±d is used.
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      Pour le style de conversionA [-]'0X h.hhh'P ± d est used.
      Original:
      For theA conversion style[-]0Xh.hhhP±d is used.
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      Le chiffre hexadécimal premier est0 si l'argument n'est pas une valeur en virgule flottante normalisée .
      Original:
      The first hexadecimal digit is0 if the argument is not a normalized floating point value.
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      Si la valeur est​0​, l'exposant est également​0​ .
      Original:
      If the value is​0​, the exponent is also​0​.
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      ' Précision spécifie le nombre minimal de chiffres après le séparateur décimale .
      Original:
      Precision specifies the minimum number of digits to appear after the decimal point character.
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      La précision par défaut suffit pour une représentation exacte de la valeur .
      Original:
      The default precision is sufficient for exact representation of the value.
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      Dans la variante de réalisation' point décimal est écrit, même si aucun chiffre ne le suit .
      Original:
      In thealternative implementation decimal point character is written even if no digits follow it.
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      Pour le style de conversion de l'infini et not-a-number voir notes .
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/AN/AN/AN/AN/A
      g
      G
      convertit 'nombre à virgule flottante en notation décimale ou exposant décimal en fonction de la valeur et de la précision' .
      Original:
      convertsfloating-point number to decimal or decimal exponent notation depending on the value and theprecision.
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      Pour la conversion de styleg conversion avece style ouf sera performed.
      Original:
      For theg conversion style conversion with stylee orf will be performed.
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      Pour la conversion de styleG conversion avecE style ouF sera performed.
      Original:
      For theG conversion style conversion with styleE orF will be performed.
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      LaissezP égale à la précision si différente de zéro,6 si la précision n'est pas spécifiée, ou1 si la précision est​0​. Ensuite, si une conversion avec le styleE aurait un exposant deX:
      Original:
      LetP equal the precision if nonzero,6 if the precision is not specified, or1 if the precision is​0​. Then, if a conversion with styleE would have an exponent ofX:
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      • si P> X ≥ -4, la conversion est de stylef ouF et la précision P - 1 - X .
        Original:
        ifP > X ≥ −4, the conversion is with stylef orF and precisionP − 1 − X.
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      • autrement, la conversion est de stylee ouE et la précision P - 1 .
        Original:
        otherwise, the conversion is with stylee orE and precisionP − 1.
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      Sauf' représentation alternative est demandé aux zéros de fin sont supprimés, aussi le point décimal est supprimée si aucune partie fractionnaire est laissée .
      Original:
      Unlessalternative representation is requested the trailing zeros are removed, also the decimal point character is removed if no fractional part is left.
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      Pour le style de conversion de l'infini et not-a-number voir notes .
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/AN/AN/AN/AN/A
      n
      renvoie 'nombre de caractères écrits l'jusqu'ici par cet appel à la fonction .
      Original:
      returns thenumber of characters written' so far by this call to the function.
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      Le résultat est' écrit à la valeur pointée par l'argument .
      Original:
      The result iswritten to the value pointed to by the argument.
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      La spécification complète doit être%n .
      Original:
      The complete specification must be%n.
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      		N/AN/Aint*N/AN/AN/AN/AN/AN/A
      p writes an implementation defined character sequence defining apointer.N/AN/Avoid*N/AN/AN/AN/AN/AN/A
      'Note':
      Original:
      Notes:
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      Les fonctions de conversion de points flottants convertir l'infini àinf ouinfinity. Lequel est utilisé est defined.
      mise en œuvre
      Original:
      The floating point conversion functions convert infinity toinf orinfinity. Which one is used is implementation defined.
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      Pas-un-nombre est converti ennan ounan(char_sequence). Lequel est utilisé est defined.
      mise en œuvre
      Original:
      Not-a-number is converted tonan ornan(char_sequence). Which one is used is implementation defined.
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      Les conversionsF,E,G,A sortieINF,INFINITY,NAN la place .
      Original:
      The conversionsF,E,G,A outputINF,INFINITY,NAN instead.
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      Original:
      pointer to a null-terminated multibyte string specifying how to interpret the data.
      La chaîne de format est constitué de caractères blancs, caractère non blanc (sauf%) et les spécifications de conversion. Chaque spécification de conversion a le format suivant:
      Original:
      The format string consists of whitespace characters, non-whitespace characters (except%) and conversion specifications. Each conversion specification has the following format:
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      • % caractère introductif
        Original:
        introductory% character
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      • (en option) une ou plusieurs indicateurs qui modifient le comportement de la conversion:
        Original:
        (en option) one or more flags that modify the behavior of the conversion:
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      • -: le résultat de la conversion est justifié à gauche dans le champ (par défaut, il est justifié à droite)
        Original:
        -: the result of the conversion is left-justified within the field (by default it is right-justified)
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      • +: le signe de conversions signé est toujours ajouté au résultat de la conversion (par défaut le résultat est précédée par moins que si elle est négative)
        Original:
        +: the sign of signed conversions is always prepended to the result of the conversion (by default the result is preceded by minus only when it is negative)
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      • Espace: si le résultat d'une conversion signée ne commence pas par un caractère de signe, ou est vide, l'espace est ajouté au résultat. Il est ignoré si l'indicateur+ est présent .
        Original:
        space: if the result of a signed conversion does not start with a sign character, or is empty, space is prepended to the result. It is ignored if+ flag is present.
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      • #:' autre forme de la conversion est effectuée. Voir le tableau ci-dessous pour effets exacts .
        Original:
        # :alternative form of the conversion is performed. See the table below for exact effects.
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      • 0: pour nombres entiers et décimaux conversions nombre de points, des zéros sont utilisés pour remplir le champ au lieu de l'espace' caractères. Pour les nombres à virgule flottante, elle est ignorée si la précision est explicitement spécifié. Pour les autres conversions en utilisant ces résultats pavillon à un comportement indéfini. Il est ignoré si l'indicateur- est présent .
        Original:
        0 : for integer and floating point number conversions, leading zeros are used to pad the field instead ofspace characters. For floating point numbers it is ignored if the precision is explicitly specified. For other conversions using this flag results in undefined behavior. It is ignored if- flag is present.
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      • Valeur (en option) entier ou* qui spécifie la largeur de champ minimale. Le résultat est rembourré avec de l'espace' caractères (par défaut), le cas échéant, sur la gauche lorsque justifié à droite, ou sur la droite si justifié à gauche. Dans le cas où on utilise*, la largeur est spécifiée par un argument supplémentaire deint type. Si la valeur de l'argument est négatif, il en résulte de la largeur- drapeau champ spécifié et positif .
        Original:
        (en option) integer value or* that specifies minimum field width. The result is padded withspace characters (by default), if required, on the left when right-justified, or on the right if left-justified. In the case when* is used, the width is specified by an additional argument of typeint. If the value of the argument is negative, it results with the- flag specified and positive field width.
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      • (en option). suivie par nombre entier ou* qui spécifie' précision de la conversion. Dans le cas où* est utilisé, la précision' est spécifiée par un argument supplémentaire deint type. Si la valeur de cet argument est négatif, il est ignoré. Voir le tableau ci-dessous pour les effets exacts de précision' .
        Original:
        (en option). followed by integer number or* that specifiesprecision of the conversion. In the case when* is used, theprecision is specified by an additional argument of typeint. If the value of this argument is negative, it is ignored. See the table below for exact effects ofprecision.
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      • (en option)' modificateur de longueur qui spécifie la taille de l'argument
        Original:
        (en option)length modifier that specifies the size of the argument
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      • le format spécificateur de conversion
        Original:
        conversion format specifier
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      Les spécificateurs de format suivants sont disponibles:
      Original:
      The following format specifiers are available:
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      Conversion
      specifier      		 Explanation Argument type
      length modifierhhh (none)llljztL
      % writes literal%. The full conversion specification must be%%.N/AN/AN/AN/AN/AN/AN/AN/AN/A
      c writes asingle characterN/AN/Acharwchar_tN/AN/AN/AN/AN/A
      s writes acharacter stringN/AN/Achar*wchar_t*N/AN/AN/AN/AN/A
      d
      i
      convertit 'entier décimal' une signature dans le style [-] dddd .
      Original:
      converts a signeddecimal integer in the style[-]dddd.
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      Précision' spécifie le nombre minimal de chiffres à apparaître. La précision par défaut est1.
      Original:
      Precision specifies the minimum number of digits to appear. The default precision is1.
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      Si les deux la valeur convertie et la précision sont​0​ les résultats de la conversion dans aucun des caractères .
      Original:
      If both the converted value and the precision are​0​ the conversion results in no characters.
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      signedchar
      signedshort
      signedint
      signedlong
      signedlonglong
      		N/A
      o
      convertit un signé 'entier octal' dans le style [-] oooo .
      Original:
      converts a signedoctal integer in the style[-]oooo.
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      Précision' spécifie le nombre minimal de chiffres à apparaître. La précision par défaut est1 .
      Original:
      Precision specifies the minimum number of digits to appear. The default precision is1.
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      Si les deux la valeur convertie et la précision sont​0​ les résultats de la conversion dans aucun des caractères .
      Original:
      If both the converted value and the precision are​0​ the conversion results in no characters.
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      Dans la variante de réalisation' précision est augmentée si nécessaire, pour écrire une zéros .
      Original:
      In thealternative implementation precision is increased if necessary, to write one leading zero.
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      Dans ce cas, si les deux la valeur convertie et la précision sont​0​,​0​ unique est écrit .
      Original:
      In that case if both the converted value and the precision are​0​, single​0​ is written.
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      		N/A
      x
      X
      convertit 'entier hexadécimal' une signature dans le style [-] hhhh .
      Original:
      converts a signedhexadecimal integer in the style[-]hhhh.
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      Pour les lettres de conversionxabcdef sont used.
      Original:
      For thex conversion lettersabcdef are used.
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      Pour les lettres de conversionXABCDEF sont used.
      Original:
      For theX conversion lettersABCDEF are used.
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      Précision' spécifie le nombre minimal de chiffres à apparaître. La précision par défaut est1 .
      Original:
      Precision specifies the minimum number of digits to appear. The default precision is1.
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      Si les deux la valeur convertie et la précision sont​0​ les résultats de la conversion dans aucun des caractères .
      Original:
      If both the converted value and the precision are​0​ the conversion results in no characters.
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      Dans la variante de réalisation'0x ou0X est préfixé à des résultats si la valeur convertie est différent de zéro .
      Original:
      In thealternative implementation0x or0X is prefixed to results if the converted value is nonzero.
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      		N/A
      u
      convertit un 'entier non signé décimal dans le style' dddd .
      Original:
      converts anunsigned decimal integer in the styledddd.
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      Précision' spécifie le nombre minimal de chiffres à paraître .
      Original:
      Precision specifies the minimum number of digits to appear.
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      La précision par défaut est1 .
      Original:
      The default precision is1.
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      Si les deux la valeur convertie et la précision sont​0​ les résultats de la conversion dans aucun des caractères .
      Original:
      If both the converted value and the precision are​0​ the conversion results in no characters.
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      unsignedchar
      unsignedshort
      unsignedint
      unsignedlong
      unsignedlonglong
      		N/A
      f
      F
      convertit 'nombre à virgule flottante' pour la notation décimale dans le style [-] ddd.ddd .
      Original:
      convertsfloating-point number to the decimal notation in the style[-]ddd.ddd.
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      ' Précision spécifie le nombre minimal de chiffres après le séparateur décimale .
      Original:
      Precision specifies the minimum number of digits to appear after the decimal point character.
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      La précision par défaut est6 .
      Original:
      The default precision is6.
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      Dans la variante de réalisation' point décimal est écrit, même si aucun chiffre ne le suit .
      Original:
      In thealternative implementation decimal point character is written even if no digits follow it.
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      Pour le style de conversion de l'infini et not-a-number voir notes .
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/A
      double
      double
      		N/AN/AN/AN/A
      longdouble
      e
      E
      convertit nombre à virgule flottante »à la notation d'exposant décimal .
      Original:
      convertsfloating-point number' to the decimal exponent notation.
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      Pour le style de conversione [-] d.ddd'e ± dd est used.
      Original:
      For thee conversion style[-]d.ddde±dd is used.
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      Pour le style de conversionE [-] d.ddd'E ± dd est used.
      Original:
      For theE conversion style[-]d.dddE±dd is used.
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      Celui-ci contient au moins deux chiffres, d'autres chiffres ne sont utilisés que si nécessaire .
      Original:
      The exponent contains at least two digits, more digits are used only if necessary.
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      Si la valeur est​0​, l'exposant est également​0​ .
      Original:
      If the value is​0​, the exponent is also​0​.
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      ' Précision spécifie le nombre minimal de chiffres après le séparateur décimale .
      Original:
      Precision specifies the minimum number of digits to appear after the decimal point character.
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      La précision par défaut est6 .
      Original:
      The default precision is6.
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      Dans la variante de réalisation' point décimal est écrit, même si aucun chiffre ne le suit .
      Original:
      In thealternative implementation decimal point character is written even if no digits follow it.
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      Pour le style de conversion de l'infini et not-a-number voir notes .
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/AN/AN/AN/AN/A
      a
      A
      convertit nombre à virgule flottante »à la notation hexadécimale exposant .
      Original:
      convertsfloating-point number' to the hexadecimal exponent notation.
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      Pour le style de conversiona [-]'0x h.hhh'p ± d est used.
      Original:
      For thea conversion style[-]0xh.hhhp±d is used.
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      Pour le style de conversionA [-]'0X h.hhh'P ± d est used.
      Original:
      For theA conversion style[-]0Xh.hhhP±d is used.
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      Le chiffre hexadécimal premier est0 si l'argument n'est pas une valeur en virgule flottante normalisée .
      Original:
      The first hexadecimal digit is0 if the argument is not a normalized floating point value.
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      Si la valeur est​0​, l'exposant est également​0​ .
      Original:
      If the value is​0​, the exponent is also​0​.
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      ' Précision spécifie le nombre minimal de chiffres après le séparateur décimale .
      Original:
      Precision specifies the minimum number of digits to appear after the decimal point character.
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      La précision par défaut suffit pour une représentation exacte de la valeur .
      Original:
      The default precision is sufficient for exact representation of the value.
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      Dans la variante de réalisation' point décimal est écrit, même si aucun chiffre ne le suit .
      Original:
      In thealternative implementation decimal point character is written even if no digits follow it.
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      Pour le style de conversion de l'infini et not-a-number voir notes .
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/AN/AN/AN/AN/A
      g
      G
      convertit 'nombre à virgule flottante en notation décimale ou exposant décimal en fonction de la valeur et de la précision' .
      Original:
      convertsfloating-point number to decimal or decimal exponent notation depending on the value and theprecision.
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      Pour la conversion de styleg conversion avece style ouf sera performed.
      Original:
      For theg conversion style conversion with stylee orf will be performed.
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      Pour la conversion de styleG conversion avecE style ouF sera performed.
      Original:
      For theG conversion style conversion with styleE orF will be performed.
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      LaissezP égale à la précision si différente de zéro,6 si la précision n'est pas spécifiée, ou1 si la précision est​0​. Ensuite, si une conversion avec le styleE aurait un exposant deX:
      Original:
      LetP equal the precision if nonzero,6 if the precision is not specified, or1 if the precision is​0​. Then, if a conversion with styleE would have an exponent ofX:
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      • si P> X ≥ -4, la conversion est de stylef ouF et la précision P - 1 - X .
        Original:
        ifP > X ≥ −4, the conversion is with stylef orF and precisionP − 1 − X.
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      • autrement, la conversion est de stylee ouE et la précision P - 1 .
        Original:
        otherwise, the conversion is with stylee orE and precisionP − 1.
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      Sauf' représentation alternative est demandé aux zéros de fin sont supprimés, aussi le point décimal est supprimée si aucune partie fractionnaire est laissée .
      Original:
      Unlessalternative representation is requested the trailing zeros are removed, also the decimal point character is removed if no fractional part is left.
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      Pour le style de conversion de l'infini et not-a-number voir notes .
      Original:
      For infinity and not-a-number conversion style see notes.
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      		N/AN/AN/AN/AN/AN/A
      n
      renvoie 'nombre de caractères écrits l'jusqu'ici par cet appel à la fonction .
      Original:
      returns thenumber of characters written' so far by this call to the function.
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      Le résultat est' écrit à la valeur pointée par l'argument .
      Original:
      The result iswritten to the value pointed to by the argument.
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      La spécification complète doit être%n .
      Original:
      The complete specification must be%n.
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      		N/AN/Aint*N/AN/AN/AN/AN/AN/A
      p writes an implementation defined character sequence defining apointer.N/AN/Avoid*N/AN/AN/AN/AN/AN/A
      'Note':
      Original:
      Notes:
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      Les fonctions de conversion de points flottants convertir l'infini àinf ouinfinity. Lequel est utilisé est defined.
      mise en œuvre
      Original:
      The floating point conversion functions convert infinity toinf orinfinity. Which one is used is implementation defined.
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      Pas-un-nombre est converti ennan ounan(char_sequence). Lequel est utilisé est defined.
      mise en œuvre
      Original:
      Not-a-number is converted tonan ornan(char_sequence). Which one is used is implementation defined.
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      Les conversionsF,E,G,A sortieINF,INFINITY,NAN la place .
      Original:
      The conversionsF,E,G,A outputINF,INFINITY,NAN instead.
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      ... -
      arguments spécifiant les données à imprimer
      Original:
      arguments specifying data to print
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      [modifier]Retourne la valeur

      1-3)
      nombre de caractères écrits si la valeur réussie ou négatif si une erreur est survenue .
      Original:
      number of characters written if successful or negative value if an error occurred.
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      4)
      nombre de caractères écrits si la valeur réussie ou négatif si une erreur s'est produite. Si la chaîne résultante est tronquée en raison de la limitebuf_size, la fonction retourne le nombre total de caractères (sans compter le zéro-octet de terminaison) qui aurait été écrite, si la limite n'a pas été imposée .
      Original:
      number of characters written if successful or negative value if an error occurred. If the resulting string gets truncated due tobuf_size limit, function returns the total number of characters (not including the terminating null-byte) which would have been written, if the limit was not imposed.
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      [modifier]Exemple

      #include <stdio.h> int main(){    printf("Strings:\n");constchar* s="Hello";    printf("\t.%10s.\n\t.%-10s.\n\t.%*s.\n", s, s,10, s);     printf("Characters:\t%c %%\n",65);     printf("Integers\n");    printf("Decimal:\t%i %d %.6i %i %.0i %+i %u\n",1,2,3,0,0,4,-1);    printf("Hexadecimal:\t%x %x %X %#x\n",5,10,10,6);    printf("Octal:\t%o %#o %#o\n",10,10,4);     printf("Floating point\n");    printf("Rounding:\t%f %.0f %.32f\n",1.5,1.5,1.3);    printf("Padding:\t%05.2f %.2f %5.2f\n",1.5,1.5,1.5);    printf("Scientific:\t%E %e\n",1.5,1.5);    printf("Hexadecimal:\t%a %A\n",1.5,1.5);}

      Résultat :

      Strings:    .     Hello.    .Hello     .    .     Hello.Characters:     A %IntegersDecimal:        1 2 000003 0  +4 4294967295Hexadecimal:    5 a A 0x6Octal:          12 012 04Floating pointRounding:       1.500000 2 1.30000000000000004440892098500626Padding:        01.50 1.50  1.50Scientific:     1.500000E+00 1.500000e+00Hexadecimal:    0x1.8p+0 0X1.8P+0

      [modifier]Voir aussi

      impressions formaté àstdout, un flux ou un fichier en utilisant buffer
      liste d'arguments variable
      Original:
      prints formatted output tostdout, a file stream or a buffer
      using variable argument list
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      (fonction)[edit]
      écrit une chaîne de caractères dans un flux fichier
      Original:
      writes a character string to a file stream
      The text has been machine-translated viaGoogle Translate.
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      (fonction)[edit]
      lit l'entrée en forme à partirstdin, un flux de fichier ou un tampon
      Original:
      reads formatted input fromstdin, a file stream or a buffer
      The text has been machine-translated viaGoogle Translate.
      You can help to correct and verify the translation. Clickhere for instructions.

      (fonction)[edit]
      C++ documentation forprintf,fprintf,sprintf,snprintf
      Récupérée de «https://fr.cppreference.com/mwiki/index.php?title=c/io/fprintf&oldid=47164 »
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