| Null-terminated byte strings | ||||
| Null-terminated multibyte strings | ||||
| Null-terminated wide strings |
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A null-terminated wide string is a sequence of valid wide characters, ending with a null-character.
Contents |
Character classification | |
Defined in header <wctype.h> | |
(C95) | checks if a wide character is alphanumeric (function)[edit] |
(C95) | checks if a wide character is alphabetic (function)[edit] |
(C95) | checks if a wide character is an lowercase character (function)[edit] |
(C95) | checks if a wide character is an uppercase character (function)[edit] |
(C95) | checks if a wide character is a digit (function)[edit] |
(C95) | checks if a wide character is a hexadecimal character (function)[edit] |
(C95) | checks if a wide character is a control character (function)[edit] |
(C95) | checks if a wide character is a graphical character (function)[edit] |
(C95) | checks if a wide character is a space character (function)[edit] |
(C99) | checks if a wide character is a blank character (function)[edit] |
(C95) | checks if a wide character is a printing character (function)[edit] |
(C95) | checks if a wide character is a punctuation character (function)[edit] |
(C95) | classifies a wide character according to the specifiedLC_CTYPE category (function)[edit] |
(C95) | looks up a character classification category in the current C locale (function)[edit] |
Character manipulation | |
Defined in header <wctype.h> | |
(C95) | converts a wide character to lowercase (function)[edit] |
(C95) | converts a wide character to uppercase (function)[edit] |
(C95) | performs character mapping according to the specifiedLC_CTYPE mapping category (function)[edit] |
(C95) | looks up a character mapping category in the current C locale (function)[edit] |
| ASCII values | characters | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| decimal | hexadecimal | octal | |||||||||||||
| 0–8 | \x0–\x8 | \0–\10 | control codes (NUL, etc.) | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 9 | \x9 | \11 | tab (\t) | ≠0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 10–13 | \xA–\xD | \12–\15 | whitespaces (\n,\v,\f,\r) | ≠0 | 0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 14–31 | \xE–\x1F | \16–\37 | control codes | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 32 | \x20 | \40 | space | 0 | ≠0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 33–47 | \x21–\x2F | \41–\57 | !"#$%&'()*+,-./ | 0 | ≠0 | 0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 48–57 | \x30–\x39 | \60–\71 | 0123456789 | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | 0 | 0 | 0 | ≠0 | ≠0 |
| 58–64 | \x3A–\x40 | \72–\100 | :;<=>?@ | 0 | ≠0 | 0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 65–70 | \x41–\x46 | \101–\106 | ABCDEF | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | ≠0 | ≠0 | 0 | 0 | ≠0 |
| 71–90 | \x47–\x5A | \107–\132 | GHIJKLMNOPQRSTUVWXYZ | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | ≠0 | ≠0 | 0 | 0 | 0 |
| 91–96 | \x5B–\x60 | \133–\140 | [\]^_` | 0 | ≠0 | 0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 97–102 | \x61–\x66 | \141–\146 | abcdef | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | ≠0 | 0 | ≠0 | 0 | ≠0 |
| 103–122 | \x67–\x7A | \147–\172 | ghijklmnopqrstuvwxyz | 0 | ≠0 | 0 | 0 | ≠0 | 0 | ≠0 | ≠0 | 0 | ≠0 | 0 | 0 |
| 123–126 | \x7B–\x7E | \173–\176 | {|}~ | 0 | ≠0 | 0 | 0 | ≠0 | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 127 | \x7F | \177 | backspace character (DEL) | ≠0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
Conversions to numeric formats | |
Defined in header <wchar.h> | |
(C95)(C99) | converts a wide string to an integer value (function)[edit] |
(C95)(C99) | converts a wide string to an unsigned integer value (function)[edit] |
(C99)(C95)(C99) | converts a wide string to a floating-point value (function)[edit] |
Defined in header <inttypes.h> | |
(C99)(C99) | converts a wide string tointmax_t oruintmax_t (function)[edit] |
String manipulation | |
Defined in header <wchar.h> | |
(C95)(C11) | copies one wide string to another (function)[edit] |
(C95)(C11) | copies a certain amount of wide characters from one string to another (function)[edit] |
(C95)(C11) | appends a copy of one wide string to another (function)[edit] |
(C95)(C11) | appends a certain amount of wide characters from one wide string to another (function)[edit] |
(C95) | transform a wide string so thatwcscmp would produce the same result aswcscoll (function)[edit] |
String examination | |
Defined in header <wchar.h> | |
(C95)(C11) | returns the length of a wide string (function)[edit] |
(C95) | compares two wide strings (function)[edit] |
(C95) | compares a certain amount of characters from two wide strings (function)[edit] |
(C95) | compares two wide strings in accordance to the current locale (function)[edit] |
(C95) | finds the first occurrence of a wide character in a wide string (function)[edit] |
(C95) | finds the last occurrence of a wide character in a wide string (function)[edit] |
(C95) | returns the length of the maximum initial segment that consists of only the wide characters found in another wide string (function)[edit] |
(C95) | returns the length of the maximum initial segment that consists of only the wide charsnot found in another wide string (function)[edit] |
(C95) | finds the first location of any wide character in one wide string, in another wide string (function)[edit] |
(C95) | finds the first occurrence of a wide string within another wide string (function)[edit] |
(C95)(C11) | finds the next token in a wide string (function)[edit] |
Wide character array manipulation | |
Defined in header <wchar.h> | |
(C95)(C11) | copies a certain amount of wide characters between two non-overlapping arrays (function)[edit] |
(C95)(C11) | copies a certain amount of wide characters between two, possibly overlapping, arrays (function)[edit] |
(C95) | compares a certain amount of wide characters from two arrays (function)[edit] |
(C95) | finds the first occurrence of a wide character in a wide character array (function)[edit] |
(C95) | copies the given wide character to every position in a wide character array (function)[edit] |
Defined in header <stddef.h> | |
Defined in header <stdlib.h> | |
Defined in header <wchar.h> | |
wchar_t | integer type that can hold any valid wide character (typedef) |
Defined in header <wchar.h> | |
Defined in header <wctype.h> | |
wint_t (C95) | integer type that can hold any valid wide character and at least one more value (typedef) |
Defined in header <wctype.h> | |
wctrans_t (C95) | scalar type that holds locale-specific character mapping (typedef) |
wctype_t (C95) | scalar type that holds locale-specific character classification (typedef) |
Defined in header <wchar.h> | |
Defined in header <wctype.h> | |
WEOF (C95) | a non-character value of typewint_t used to indicate errors (macro constant) |
Defined in header <wchar.h> | |
Defined in header <stdint.h> | |
WCHAR_MIN (C95) | the smallest valid value ofwchar_t (macro constant) |
WCHAR_MAX (C95) | the largest valid value ofwchar_t (macro constant) |
C++ documentation for Null-terminated wide strings |
