isxdigit(3) - NetBSD Manual Pages

ISXDIGIT(3)               NetBSD Programmer's 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() 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''). NetBSD 1.4 June 29, 1991 1

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