shithub: scc

ref: 1b93241842ebf1e5a7efaf62b1fcaf02a7c6d4e5
dir: /lib/c/src/isxdigit.c/

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#define __USE_MACROS
#include <ctype.h>
#undef isxdigit

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