shithub: scc

ref: 904d47a869c5d7051c6b56ffefa504db3d2c8351
dir: /lib/c/isupper.c/

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

int
isupper(int c)
{
	return (__ctype+1)[c] & _U;
}