LibC: A whole bunch of compat work towards porting Lynx.

LibC/arpa/inet.cpp

@@ -1,4 +1,5 @@
 #include <arpa/inet.h>
+#include <netinet/in.h>
 #include <stdio.h>
 #include <errno.h>
 
@@ -47,5 +48,14 @@ int inet_pton(int af, const char* src, void* dst)
     return 0;
 }
 
+in_addr_t inet_addr(const char* str)
+{
+    in_addr_t tmp;
+    int rc = inet_pton(AF_INET, str, &tmp);
+    if (rc < 0)
+        return INADDR_NONE;
+    return tmp;
+}
+
 }