basic structure and client process chain done

src/djumbai_client_send/djumbai_client_send.c

@@ -0,0 +1,47 @@
+#include "../../libs/protocol/protocol.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main() {
+
+	int pipe_to_child[2];
+
+	if (pipe(pipe_to_child) == -1) {
+		perror("pipe");
+		exit(EXIT_FAILURE);
+	}
+
+	pid_t pid = fork();
+	if (pid == -1) {
+		perror("fork");
+		exit(EXIT_FAILURE);
+	}
+
+	if (pid == 0) {				 // Child process
+		close(pipe_to_child[1]); // Close write end of pipe
+
+		// Redirect stdin to read from pipe_to_child
+		dup2(pipe_to_child[0], STDIN_FILENO);
+
+		execlp("./bin/djumbai_enqueue/djumbai_enqueue", "djumbai_enqueue", NULL);
+
+		// If execlp fails
+		perror("execlp");
+		close(pipe_to_child[0]);
+		exit(EXIT_FAILURE);
+	} else {					 // Parent process
+		close(pipe_to_child[0]); // Close read end of pipe
+
+		unsigned char buffer[sizeof(struct Message)];
+		read(0, buffer, sizeof(struct Message));
+		write(pipe_to_child[1], buffer, sizeof(buffer));
+
+		// Close the write end of the pipe
+		close(pipe_to_child[1]);
+		// Wait for the child process to finish
+		wait(NULL);
+	}
+
+	return 0;
+}