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| author | Jakob Kaivo <jkk@ung.org> | 2019-03-02 11:33:02 -0500 |
|---|---|---|
| committer | Jakob Kaivo <jkk@ung.org> | 2019-03-02 11:33:02 -0500 |
| commit | f7afd7bc9c759650c1b52ee6ff0c8f2956297056 (patch) | |
| tree | 4ac4834972dc7601476a4f3d7e336605ecf6d01b /src/ctype/iscntrl.c | |
| parent | c22a0473c06092a41fb728ce668572082bb50636 (diff) | |
clean up documentation
Diffstat (limited to 'src/ctype/iscntrl.c')
| -rw-r--r-- | src/ctype/iscntrl.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/src/ctype/iscntrl.c b/src/ctype/iscntrl.c index 9d295d26..1508f318 100644 --- a/src/ctype/iscntrl.c +++ b/src/ctype/iscntrl.c @@ -4,25 +4,24 @@ #include "nonstd/ctype.h" /** test whether a character is a control character */ + int iscntrl(int c) { unsigned int *map = __libc(CTYPE); ASSERT_REPRESENTABLE(c, 0, UCHAR_MAX, unsigned char, EOF); - /* - RETURN(NONZERO, ARGUMENT(c) is a control character); - RETURN(0, ARGUMENT(c) is not a control character); - */ return map[c] & CT_CNTRL; } /*** -tests whether ARGUMENT(c) is a character in the class CHARACTER_CLASS(cntrl) in the -current locale. +tests whether ARGUMENT(c) is a character in the class CHARACTER_CLASS(cntrl) +in the current locale. ***/ /* +RETURN(NONZERO, ARGUMENT(c) is a control character) +RETURN(0, ARGUMENT(c) is not a control character) LC_CTYPE STDC(1) */ |