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)):
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
For an explanation of the terms used in this section, see attributes(7).
|getw(), putw()||Thread safety||MT-Safe|
SVr4, SUSv2. Not present in POSIX.1.
The value returned on error is also a legitimate data value. ferror(3) can be used to distinguish between the two cases.
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