shithub: scc

ref: 4eaac6bfb11cc84259e8b418d4babffdf1c637eb
dir: /lib/c/ctype/iscntrl.c/

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#include <ctype.h>
#undef iscntrl

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