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)):
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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