osx man page for isspecial

ISSPECIAL(3)						   BSD Library Functions Manual 					      ISSPECIAL(3)

NAME
     isspecial -- special character test

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <ctype.h>

     int
     isspecial(int c);

DESCRIPTION
     The isspecial() function tests for a special character.

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

SEE ALSO
     ctype(3), iswspecial(3), isalnum_l

HISTORY
     The isspecial() function appeared in 4.4BSD.

BSD
								  March 30, 2004							       BSD