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NAME    [Toc]    [Back]

     isxdigit - hexadecimal-digit character test

LIBRARY    [Toc]    [Back]

     Standard C Library (libc, -lc)

SYNOPSIS    [Toc]    [Back]

     #include <ctype.h>

     isxdigit(int c);

DESCRIPTION    [Toc]    [Back]

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

RETURN VALUES    [Toc]    [Back]

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

SEE ALSO    [Toc]    [Back]

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

STANDARDS    [Toc]    [Back]

     The isxdigit() function conforms to ANSI X3.159-1989 (``ANSI C'').

BSD                              June 29, 1991                             BSD
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