ISXDIGIT(3)               386BSD Programmer's Manual               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
     isascii(3),  isalnum(3),  isalpha(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 ANSI C3.159-1989 (``ANSI C'').

BSD Experimental                 June 29, 1991                               1