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
HISTORY
- The isspecial() function appeared in 4.4BSD.
- BSD March 30, 2004