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25 .TH GETW 3 2021-03-22 "GNU" "Linux Programmer's Manual"
27 getw, putw \- input and output of words (ints)
32 .BI "int getw(FILE *" stream );
33 .BI "int putw(int " w ", FILE *" stream );
37 Feature Test Macro Requirements for glibc (see
38 .BR feature_test_macros (7)):
45 _XOPEN_SOURCE && ! (_POSIX_C_SOURCE >= 200112L)
46 || /* Glibc since 2.19: */ _DEFAULT_SOURCE
47 || /* Glibc <= 2.19: */ _BSD_SOURCE || _SVID_SOURCE
49 _SVID_SOURCE || _BSD_SOURCE || _XOPEN_SOURCE
53 reads a word (that is, an \fIint\fP) from \fIstream\fP.
54 It's provided for compatibility with SVr4.
60 writes the word \fIw\fP (that is,
61 an \fIint\fP) to \fIstream\fP.
62 It is provided for compatibility with SVr4, but we recommend you use
68 returns the word read, and
71 On error, they return \fBEOF\fP.
73 For an explanation of the terms used in this section, see
81 Interface Attribute Value
85 T} Thread safety MT-Safe
92 Not present in POSIX.1.
94 The value returned on error is also a legitimate data value.
96 can be used to distinguish between the two cases.