shithub: scc

ref: c1c79f43a6084eddc83de124b371a8b689e310a6
dir: /src/libc/ctype/isxdigit.c/

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#include <ctype.h>
#undef isxdigit

int
isxdigit(int c)
{
	return (__ctype+1)[c] & (_D|_X);
}