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fgetws(3p) — Linux manual page

FGETWS(3P)              POSIX Programmer's ManualFGETWS(3P)

PROLOG        top

       This manual page is part of the POSIX Programmer's Manual.  The       Linux implementation of this interface may differ (consult the       corresponding Linux manual page for details of Linux behavior), or       the interface may not be implemented on Linux.

NAME        top

       fgetws — get a wide-character string from a stream

SYNOPSIS        top

       #include <stdio.h>       #include <wchar.h>       wchar_t *fgetws(wchar_t *restrictws, intn,           FILE *restrictstream);

DESCRIPTION        top

       The functionality described on this reference page is aligned with       the ISO C standard. Any conflict between the requirements       described here and the ISO C standard is unintentional. This       volume of POSIX.1‐2017 defers to the ISO C standard.       Thefgetws() function shall read characters from thestream,       convert these to the corresponding wide-character codes, place       them in thewchar_tarray pointed to byws, untiln-1 characters       are read, or a <newline> is read, converted, and transferred tows, or an end-of-file condition is encountered. The wide-character       string,ws, shall then be terminated with a null wide-character       code.       If an error occurs, the resulting value of the file position       indicator for the stream is unspecified.       Thefgetws() function may mark the last data access timestamp of       the file associated withstream for update. The last data access       timestamp shall be marked for update by the first successful       execution offgetwc(),fgetws(),fwscanf(),getwc(),getwchar(),vfwscanf(),vwscanf(), orwscanf() usingstream that returns data       not supplied by a prior call toungetwc().

RETURN VALUE        top

       Upon successful completion,fgetws() shall returnws.  If the end-       of-file indicator for the stream is set, or if the stream is at       end-of-file, the end-of-file indicator for the stream shall be set       andfgetws() shall return a null pointer. If a read error occurs,       the error indicator for the stream shall be set,fgetws() shall       return a null pointer, and shall seterrno to indicate the error.

ERRORS        top

       Refer tofgetwc(3p).The following sections are informative.

EXAMPLES        top

       None.

APPLICATION USAGE        top

       None.

RATIONALE        top

       None.

FUTURE DIRECTIONS        top

       None.

SEE ALSO        top

Section 2.5,Standard I/O Streams,fopen(3p),fread(3p)       The Base Definitions volume of POSIX.1‐2017,stdio.h(0p),wchar.h(0p)

COPYRIGHT        top

       Portions of this text are reprinted and reproduced in electronic       form from IEEE Std 1003.1-2017, Standard for Information       Technology -- Portable Operating System Interface (POSIX), The       Open Group Base Specifications Issue 7, 2018 Edition, Copyright       (C) 2018 by the Institute of Electrical and Electronics Engineers,       Inc and The Open Group.  In the event of any discrepancy between       this version and the original IEEE and The Open Group Standard,       the original IEEE and The Open Group Standard is the referee       document. The original Standard can be obtained online athttp://www.opengroup.org/unix/online.html .       Any typographical or formatting errors that appear in this page       are most likely to have been introduced during the conversion of       the source files to man page format. To report such errors, seehttps://www.kernel.org/doc/man-pages/reporting_bugs.html .IEEE/The Open Group                2017FGETWS(3P)

Pages that refer to this page:wchar.h(0p)

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