ISGRAPH(3) | Library Functions Manual | ISGRAPH(3) |
isgraph
— printing
character test (space character exclusive)
#include
<ctype.h>
int
isgraph
(int
c);
The
isgraph
()
function tests for any printing character except space
(‘ ’).
The isgraph
() function returns zero if the
character tests false or non-zero if the character tests true.
isalnum(3), isalpha(3), isascii(3), isblank(3), iscntrl(3), isdigit(3), islower(3), isprint(3), ispunct(3), isspace(3), isupper(3), isxdigit(3), stdio(3), toascii(3), tolower(3), toupper(3), ascii(7)
The isgraph
() function conforms to
ANSI X3.159-1989
(“ANSI C89”).
The argument to isgraph
() must be
EOF
or representable as an unsigned
char
; otherwise, the result is undefined.
July 6, 2013 | OpenBSD-6.1 |