asm("xorl %eax, %eax"); And I'm not sure about your example, a C pointer type would be stored as a number that will be used with "lea" or "mov [pointer], foo".

asm("xorl %eax, %eax"); And I'm not sure about your example, a C pointer type would be stored as a number that will be used with "lea" or "mov [pointer], foo". Elaborate.