shithub: scc

ref: bd868e6e88690ee8521e3c3738f908b6557a1ac1
dir: /lib/c/src/isupper.c/

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

int
isupper(int c)
{
	return __ctype[(unsigned char) c] & _U;
}