isxdigit(3) - NetBSD Manual Pages

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ISXDIGIT(3)               NetBSD 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

     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 ANSI X3.159-1989 (``ANSI C'').

4.4BSD                           June 29, 1991                               1