shithub: scc

ref: b6a4308de39e33c29986ebbce01f883ce9fd72af
dir: /src/libc/ctype/toupper.c/

View raw version 
#include <ctype.h>
#undef toupper

int
toupper(int c)
{
	return (islower(c)) ? c & ~0x20 : c;
}