#ifndef DEF_H #define DEF_H #define nil ((void *) 0x0) typedef unsigned char u8; typedef signed char i8; typedef unsigned short u16; typedef short i16; typedef unsigned int u32; typedef int i32; typedef unsigned long u64; typedef long i64; typedef u64 usize; typedef i64 isize; typedef u8 bool; #define false ((bool) 0) #define true ((bool) 1) #define BITCAST(expr, from, to) (((union { from f; to t; }) { .f = expr }).t) #endif