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NetBSD 6.1.5 - man page for isxdigit (netbsd section 3)

ISXDIGIT(3)			   BSD Library Functions Manual 		      ISXDIGIT(3)

NAME
     isxdigit -- hexadecimal-digit character test

LIBRARY
     Standard C Library (libc, -lc)

SYNOPSIS
     #include <ctype.h>

     int
     isxdigit(int c);

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

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

SEE ALSO
     ctype(3), 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
     The isxdigit() function conforms to ANSI X3.159-1989 (``ANSI C89'').

CAVEATS
     The argument to isxdigit() must be EOF or representable as an unsigned char; otherwise, the
     behavior is undefined.  See the CAVEATS section of ctype(3) for more details.

BSD					  April 17, 2008				      BSD


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