ISXDIGIT(3)

NAME
isxdigit - hexadecimal-digit character test

SYNOPSIS
#include <ctype.h>
int
isxdigit(int c);

DESCRIPTION
The isxdigit() function tests for any hexadecimal-digit character.

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

SEE ALSO
isalnum(3), isalpha(3), isascii(3), isblank(3), iscntrl(3), isdigit(3), isgraph(3), islower(3), isprint(3), ispunct(3), isspace(3), isupper(3), toascii(3), tolower(3), toupper(3), stdio(3), ascii(7)

STANDARDS
The isxdigit() function conforms to ansiC.