Added helper functions for message string manipulation

message_helpers.c

@@ -0,0 +1,17 @@
+#include <easysock.h>
+
+#include "message_helpers.h"
+
+char* fetch_address(char* message) {
+	char* token = malloc (sizeof(char) * strlen(message));
+	token = strtok(message," ");
+	if (strcmp(token,"TO:") == 0) {
+		token = strtok(NULL,"");
+	}
+
+	if (check_ip_ver(token) == -1) {
+		return NULL;
+	} else {
+		return token;
+	}
+}

message_helpers.h

@@ -0,0 +1,6 @@
+
+
+/* If the message contains a string of the form:
+TO: <Username>
+then return 'Username' */
+char* fetch_address(char* message);