LibC: A bunch of compat work towards porting GCC.

LibC/sys/cdefs.h

@@ -18,6 +18,6 @@
 #define offsetof(type, member) __builtin_offsetof(type, member)
 
 #ifdef __cplusplus
-extern "C" int main(int, char**);
+//extern "C" int main(int, char**);
 #endif
 

LibC/sys/types.h

@@ -7,18 +7,18 @@ __BEGIN_DECLS
 
 typedef unsigned int u_int;
 typedef unsigned long u_long;
-typedef __PTRDIFF_TYPE__ ptrdiff_t;
-typedef unsigned long int __uintmax_t;
-typedef __uintmax_t uintmax_t;
-typedef long int __intmax_t;
-typedef __intmax_t intmax_t;
 
 typedef uint32_t uid_t;
 typedef uint32_t gid_t;
-typedef int16_t pid_t;
+
+typedef int __pid_t;
+#define pid_t __pid_t
 
 typedef __SIZE_TYPE__ size_t;
-typedef int32_t ssize_t;
+typedef int __ssize_t;
+#define ssize_t __ssize_t
+
+typedef __WINT_TYPE__ wint_t;
 
 typedef uint32_t ino_t;
 typedef int32_t off_t;

LibC/sys/wait.cpp

@@ -0,0 +1,12 @@
+#include <sys/wait.h>
+#include <assert.h>
+
+extern "C" {
+
+pid_t wait(int* wstatus)
+{
+    (void)wstatus;
+    assert(false);
+}
+
+}

LibC/sys/wait.h

@@ -0,0 +1,10 @@
+#pragma once
+
+#include <sys/cdefs.h>
+#include <sys/types.h>
+
+__BEGIN_DECLS
+
+pid_t wait(int* wstatus);
+
+__END_DECLS