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CentOS 7.0 - man page for getw (centos section 3)

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:
	       _SVID_SOURCE || _BSD_SOURCE ||
	       (_XOPEN_SOURCE &&
		   !(_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600))
	   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) instead.

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

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

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 3.53 of the Linux man-pages project.  A  description  of  the
       project,     and    information	  about    reporting	bugs,	 can	be    found    at
       http://www.kernel.org/doc/man-pages/.

GNU					    2010-09-26					  GETW(3)


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