more manual type carryover

core/os/os_darwin.odin

@@ -67,6 +67,7 @@ ENOPROTOOPT:		Errno : 42		/* Protocol not available */
 EPROTONOSUPPORT:	Errno : 43		/* Protocol not supported */
 ESOCKTNOSUPPORT:	Errno : 44		/* Socket type not supported */
 ENOTSUP:			Errno : 45		/* Operation not supported */
+EOPNOTSUPP::        ENOTSUP
 EPFNOSUPPORT:		Errno : 46		/* Protocol family not supported */
 EAFNOSUPPORT:		Errno : 47		/* Address family not supported by protocol family */
 EADDRINUSE:			Errno : 48		/* Address already in use */

core/os/os_linux.odin

@@ -14,6 +14,7 @@ Handle    :: distinct i32
 Pid       :: distinct i32
 File_Time :: distinct u64
 Errno     :: distinct i32
+Socket    :: distinct int
 
 INVALID_HANDLE :: ~Handle(0)
 
@@ -231,6 +232,13 @@ RTLD_NOW          :: 0x002
 RTLD_BINDING_MASK :: 0x3
 RTLD_GLOBAL       :: 0x100
 
+socklen_t :: c.int
+
+Timeval :: struct {
+	seconds: i64,
+	nanoseconds: int,
+}
+
 // "Argv" arguments converted to Odin strings
 args := _alloc_command_line_arguments()