isgraph(3) - NetBSD Manual Pages

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ISGRAPH(3)              NetBSD 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() macro returns zero if the character tests false and returns
     non-zero if the character tests true.


SEE ALSO

     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 C'').


CAVEATS

     The argument to isgraph() must be EOF or representable as an unsigned
     char; otherwise, the result is undefined.

NetBSD 2.0                       June 29, 1991                      NetBSD 2.0