shithub: purgatorio

ref: 8a788aea84aad3bfbd5b39d78c1925654f3b9e14
dir: purgatorio/libkern/toupper.c

View raw version 
toupper(int c)
{

	if(c < 'a' || c > 'z')
		return c;
	return (c-'a'+'A');
}

tolower(int c)
{

	if(c < 'A' || c > 'Z')
		return c;
	return (c-'A'+'a');
}