shithub: scc

ref: 5f5c0ab73ba310f45b725a44c0d9d38dd29f98d9
dir: /lib/c/iscntrl.c/

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

int
iscntrl(int c)
{
	return (__ctype+1)[c] & (_C);
}