ISSPECIAL(3)

NAME
isspecial, isspecial_l - special character test

LIBRARY
libc

SYNOPSIS
#include <ctype.h>
int
isspecial(int c);
#include <xlocale.h>
int
isspecial_l(int c, locale_t locale);

DESCRIPTION
The isspecial() and isspecial_l() functions test for a special character.

The _l-suffixed version takes an explicit locale argument, whereas the non-suffixed version uses the current global or per-thread locale.

RETURN VALUES
The isspecial() and isspecial_l() functions return zero if the character tests false and returns non-zero if the character tests true.

SEE ALSO
ctype(3), ctype_l(3), iswspecial(3), xlocale(3)

HISTORY
The isspecial() function appeared in 4.4BSD.