isupper.c « ctype « src - musl - The musl libc tree (WIP / dev branches)

summary refs log tree commit diff

path: root/src/ctype/isupper.c

blob: f09d88c57c34a7ae22d57d761463ad506298002d (plain) (blame)

#include <ctype.h>
#undef isupper

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