Fix print formatting

main.c

@@ -4,7 +4,8 @@
 
 int main(){
 	// actual program
-	char* print_format = {"%18s | %33s | %18s | %16s | /%2d\n"};
+	char* print_format_headers = {"%18s | %31s | %18s | %16s | /%6s\n"};
+	char* print_format = {"%18s | %31s | %18s | %16s | /%2d\n"};
 	int num_of_networks;
 	int hosts_per_network;
 	char file_location[255];
@@ -28,13 +29,13 @@ int main(){
 	  fprintf(stderr, "There was an error reading the base IP address!\n");
 	}
 	ui_ip = octets_to_ui(ip);
-	fprintf(print_file, print_format, "Network Address", "Host Range", "Broadcast Address", "Subnet Mask", 0);
+	fprintf(print_file, print_format_headers, "Network Address", "Host Range", "Broadcast Address", "Subnet Mask", "prefix");
 	for (int i = 0; i < num_of_networks; ++i){
 		int hosts;
 		char subnt_s[16];
 		char broadcast_addr[16];
 		char network_addr[16];
-		char usable_range[33];
+		char usable_range[31];
 		unsigned int subnt;
 		int this_prefix;
 		printf("How many hosts do you need on this network [%d]? ", i);