shithub: scc

ref: 1d08a435776de0dd4f776cca9f2643570972809e
dir: /src/libc/ctype/isalnum.c/

View raw version
#include <ctype.h>
#undef isalnum

int
isalnum(int c)
{
	return (__ctype+1)[c] & (_U|_L|_D);
}