Converted easysock from CPP to C, because it was mostly just C code anyways

includes/easysock.h

@@ -1,5 +1,8 @@
-#ifndef EASYSOCK_HPP_
-#define EASYSOCK_HPP_
+#ifdef __cplusplus
+extern "C" {
+#endif
+#ifndef EASYSOCK_H_
+#define EASYSOCK_H_
 
 #ifdef _WIN32
 	#include <winsock2.h>
@@ -70,6 +73,12 @@ IPv6 address (returns 6) or neither (returns -1). */
 
 int check_ip_ver(const char* address);
 
+/* port_to_num - Converts a string representing a port, into a numeric value.
+Returns -1 if the string is not numeric, or exceeds the maximum port length.
+Returns -2 if the string is lower than 1024, This serves as a warning, as ports less
+than 1023 are reserved. */
+int port_to_num(const char* port_str);
+
 /* int_to_inet - Takes an int value (4 for IPv4, 6 for IPv6) and returns AF_INET or
 AF_INET6 respectively. */
 
@@ -92,3 +101,6 @@ int sock_quit(void);
 int sock_close(SOCKET);
 
 #endif
+#ifdef __cplusplus
+}
+#endif