shithub: purgatorio

ref: 482e874528c6c86e661a3e4a1b9fda12f2346385
dir: /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');
}