src/ctype/isupper.c


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#include <ctype.h>
#undef isupper

int isupper(int c)
{
	return (unsigned)c-'A' < 26;
}

int __isupper_l(int c, locale_t l)
{
	return isupper(c);
}

weak_alias(__isupper_l, isupper_l);


#ifdef TEST
int
main(void) {
	return 0;
}
#endif