shithub: scc

ref: e5e6cd22621169df9a8cc696500c64de3740b835
dir: /src/libc/ctype/toupper.c/

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

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