shithub: purgatorio

ref: 75c92428225428c8fde2d015f010e608a0b12f1d
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');
}