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

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

       #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:
               _SVID_SOURCE || _BSD_SOURCE ||
               (_XOPEN_SOURCE &&
                   !(_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600))
           Before glibc 2.3.3:

       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)

       Normally, getw() returns the word  read,  and  putw()  returns  0.   On
       error, they return EOF.

       SVr4, SUSv2.  Not present in POSIX.1-2001.

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

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

       This page is part of release 3.74 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

GNU                               2010-09-26                           GETW(3)

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