Rename regression to test

test/apps/network/tcp_client.c

@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: MPL-2.0
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <arpa/inet.h>
+
+#define PORT 8080
+
+int main()
+{
+	int sock = 0;
+	struct sockaddr_in serv_addr;
+	char *hello = "Hello from client";
+	char buffer[1024] = { 0 };
+
+	// Create socket
+	if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
+		printf("\n Socket creation error \n");
+		return -1;
+	}
+
+	serv_addr.sin_family = AF_INET;
+	serv_addr.sin_port = htons(PORT);
+
+	// Convert IPv4 address from text to binary form
+	if (inet_pton(AF_INET, "127.0.0.1", &(serv_addr.sin_addr)) <= 0) {
+		printf("\n Invalid address/ Address not supported \n");
+		return -1;
+	}
+
+	// Connect to the server
+	if (connect(sock, (struct sockaddr *)&serv_addr, sizeof(serv_addr)) <
+	    0) {
+		printf("\n Connection Failed \n");
+		return -1;
+	}
+
+	// Send message to the server and receive the reply
+	send(sock, hello, strlen(hello), 0);
+	printf("Hello message sent\n");
+	read(sock, buffer, 1024);
+	printf("Server: %s\n", buffer);
+	return 0;
+}