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home | helpISGRAPH(3) BSD Library Functions Manual ISGRAPH(3) NAME isgraph -- printing character test (space character exclusive) LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include <ctype.h> int isgraph(int c); DESCRIPTION The isgraph() function tests for any printing character except space (' '). RETURN VALUES The isgraph() function returns zero if the character tests false and returns non-zero if the character tests true. SEE ALSO ctype(3), 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) STANDARDS The isgraph() function conforms to ANSI X3.159-1989 ("ANSI C89"). CAVEATS The argument to isgraph() must be EOF or representable as an unsigned char; otherwise, the behavior is undefined. See the CAVEATS section of ctype(3) for more details. BSD April 17, 2008 BSD
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | STANDARDS | CAVEATS