types.h: use rust-style naming scheme, add bools

include/gay/types.h

@@ -6,16 +6,20 @@
 #define NULL ((void *)0)
 #endif
 
-typedef __INT8_TYPE__		s8;
+typedef _Bool	bool;
+#define true	((bool)1)
+#define false	((bool)0)
+
+typedef __INT8_TYPE__		i8;
 typedef __UINT8_TYPE__		u8;
 
-typedef __INT16_TYPE__		s16;
+typedef __INT16_TYPE__		i16;
 typedef __UINT16_TYPE__		u16;
 
-typedef __INT32_TYPE__		s32;
+typedef __INT32_TYPE__		i32;
 typedef __UINT32_TYPE__		u32;
 
-typedef __INT64_TYPE__		s64;
+typedef __INT64_TYPE__		i64;
 typedef __UINT64_TYPE__		u64;
 
 typedef __SIZE_TYPE__		size_t;
@@ -27,6 +31,9 @@ typedef __SIZE_TYPE__		ssize_t;
 typedef __UINTPTR_TYPE__	uintptr_t;
 #undef unsigned
 
+typedef ssize_t			isize;
+typedef size_t			usize;
+
 /*
  * This file is part of GayBSD.
  * Copyright (c) 2021 fef <owo@fef.moe>.