isxdigit man page on BSDi
[printable version]
ISXDIGIT(3) BSD 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 re-
turns 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 C X3.159-1989 (``ANSI C '').
BSDI BSD/OS June 29, 1991 1
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