shithub: scc

ref: 24b2c0e20c9d5b98a179dec81e0f48fe8bbb5034
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);
}