Initial commit of current C compiler sources, partly rebranded but not yet properly cleaned up!

fakelibc/errno.h

@@ -0,0 +1,20 @@
+#ifndef _FAKELIBC_ERRNO_H
+#define _FAKELIBC_ERRNO_H
+
+//extern int errno;
+
+/* On modern Linux platforms the errno is simulated. This is presumably so that each
+ * thread can have it's own errno without the ABI becoming a huge mess.
+ */
+#ifdef __MAC
+int errno;
+#else
+int* __errno_location();
+
+#define errno __errno_location()[0]
+#endif
+
+#define ENOENT 2
+
+/* From ifndef at top of file: */
+#endif