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GETW(3)                    Linux Programmer's Manual                   GETW(3)

NAME
       getw, putw - input and output of words (ints)

SYNOPSIS
       #include <stdio.h>

       int getw(FILE *stream);

       int putw(int w, FILE *stream);

   Feature Test Macro Requirements for glibc (see feature_test_macros(7)):

       getw(), putw():
           Since glibc 2.3.3:
               _XOPEN_SOURCE && ! (_POSIX_C_SOURCE >= 200112L)
                   || /* Glibc since 2.19: */ _DEFAULT_SOURCE
                   || /* Glibc versions <= 2.19: */ _BSD_SOURCE ||
               _SVID_SOURCE
           Before glibc 2.3.3:
               _SVID_SOURCE || _BSD_SOURCE || _XOPEN_SOURCE

DESCRIPTION
       getw() reads a word (that is, an int) from stream.  It's  provided  for
       compatibility with SVr4.  We recommend you use fread(3) instead.

       putw()  writes  the word w (that is, an int) to stream.  It is provided
       for compatibility with SVr4, but we recommend  you  use  fwrite(3)  in-
       stead.

RETURN VALUE
       Normally,  getw()  returns the word read, and putw() returns 0.  On er-
       ror, they return EOF.

ATTRIBUTES
       For an  explanation  of  the  terms  used  in  this  section,  see  at-
       tributes(7).

       +---------------+---------------+---------+
       |Interface      | Attribute     | Value   |
       +---------------+---------------+---------+
       |getw(), putw() | Thread safety | MT-Safe |
       +---------------+---------------+---------+
CONFORMING TO
       SVr4, SUSv2.  Not present in POSIX.1.

BUGS
       The value returned on error is also a legitimate data value.  ferror(3)
       can be used to distinguish between the two cases.

SEE ALSO
       ferror(3), fread(3), fwrite(3), getc(3), putc(3)

COLOPHON
       This page is part of release 5.05 of the Linux  man-pages  project.   A
       description  of  the project, information about reporting bugs, and the
       latest    version    of    this    page,    can     be     found     at
       https://www.kernel.org/doc/man-pages/.

GNU                               2016-03-15                           GETW(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ATTRIBUTES | CONFORMING TO | BUGS | SEE ALSO | COLOPHON