isupper.c « ctype « libc « lib - openlinux.git - Openlinux source tree

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path: root/lib/libc/ctype/isupper.c

blob: 458990df11825a1921f5817615acfcbe75b8aa67 (plain)

#include <libc.h>

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

weak_reference(isupper, isupper_l);