isspace

Tests for non-printable character

#include <ctype.h>
long isspace (
        long c
)

Arguments

c Input character

Return Value

A non-zero value is returned if the input character c is a non-printable character, i.e. a space, tab, page break, carriage return or line feed. Otherwise 0 is returned.

Explanation

The character c is tested as to whether it is non-printable character, i.e. a space, tab, page break, carriage return or line feed.

See Also

isalnum(), isalpha(), isascii(), iscntrl(), isdigit(), isgraph(), islower(), isprint(), ispunct(), isupper(), isxdigit()