NAME
isspecial,
isspecial_l —
special character test
LIBRARY
library “libc”
SYNOPSIS
#include
<ctype.h>
int
isspecial(int
c);
#include
<xlocale.h>
int
isspecial_l(int
c, locale_t
locale);
DESCRIPTION
Theisspecial()
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
HISTORY
The isspecial() function appeared in
4.4BSD.