From 8a0efa53e44919bcf5ccb1d3353618a82afdf8bc Mon Sep 17 00:00:00 2001 From: Christopher Faylor Date: Thu, 17 Feb 2000 19:39:52 +0000 Subject: import newlib-2000-02-17 snapshot --- newlib/libc/ctype/ispunct.c | 46 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 newlib/libc/ctype/ispunct.c (limited to 'newlib/libc/ctype/ispunct.c') diff --git a/newlib/libc/ctype/ispunct.c b/newlib/libc/ctype/ispunct.c new file mode 100644 index 000000000..c5679323c --- /dev/null +++ b/newlib/libc/ctype/ispunct.c @@ -0,0 +1,46 @@ + +/* +FUNCTION +<>---punctuation character predicate + +INDEX +ispunct + +ANSI_SYNOPSIS +#include +int ispunct(int <[c]>); + +TRAD_SYNOPSIS +#include +int ispunct(<[c]>); + +DESCRIPTION +<> is a macro which classifies ASCII integer values by table +lookup. It is a predicate returning non-zero for printable +punctuation characters, and 0 for other characters. It is defined +only when <>(<[c]>) is true or <[c]> is EOF. + +You can use a compiled subroutine instead of the macro definition by +undefining the macro using `<<#undef ispunct>>'. + +RETURNS +<> returns non-zero if <[c]> is a printable punctuation character +(<) && !isalnum(<[c]>)>>). + +PORTABILITY +<> is ANSI C. + +No supporting OS subroutines are required. +*/ + +#include <_ansi.h> +#include + + +#undef ispunct +int +_DEFUN(ispunct,(c),int c) +{ + return((_ctype_ + 1)[c] & _P); +} + -- cgit v1.2.3