diff --git a/examples/interop_pseudo_socket/main.c b/examples/interop_pseudo_socket/main.c
index 4010b8884451c3b3248af85a0d4dbc129ad7d7f3..fc63d14aafd84195133ad28e01e7555f9de226e3 100644
--- a/examples/interop_pseudo_socket/main.c
+++ b/examples/interop_pseudo_socket/main.c
@@ -1,24 +1,31 @@
-#include <netinet/in.h>
-#include <stdio.h>
-#include <stdlib.h>
+#include <netinet/in.h> // definies socketaddr_in
+#include <stdio.h>  // defines printf
+#include <stdlib.h> // defines malloc, free
+#include <unistd.h> // defines close
+#include <arpa/inet.h> // defines inet_addr
 #include "../../pseudo_socket.h"
 #define BUFSIZE 512
 int main() {
-  // --- setup ---
-  struct sockaddr_in addrs[2]; 
-  /* (address structure initializations omitted) */
-  int fd = rw_socket(AF_INET, SOCK_DGRAM, 0); 
-  rw_bind(fd, (const struct sockaddr *)&addrs[0], sizeof(addrs[0]));
-  rw_connect(fd, (const struct sockaddr *)&addrs[1], sizeof(addrs[1]));
-  // --- communication ---
-  char * buffer = malloc(BUFSIZE);
-  size_t msglen, i;
-  msglen = rw_recv(fd, (void *)buffer, BUFSIZE, 0);
-  for(i=0; i<msglen; i++) {
-    printf("%02X", buffer[i]);
-  }
-  // --- cleanup ---
-  rw_close(fd);
-  free(buffer);
-  return 0;
+    // --- setup ---
+    struct sockaddr_in addrs[2]; 
+    addrs[0].sin_family = AF_INET;
+    addrs[0].sin_port = htons(8000);
+    inet_pton(AF_INET, "127.0.0.1", &addrs[0].sin_addr.s_addr);
+    addrs[1].sin_family = AF_INET;
+    addrs[1].sin_port = htons(8001);
+    inet_pton(AF_INET, "127.0.0.1", &addrs[1].sin_addr.s_addr);
+    int fd = rw_socket(AF_INET, SOCK_DGRAM, 0); 
+    rw_bind(fd, (const struct sockaddr *)&addrs[0], sizeof(addrs[0]));
+    rw_connect(fd, (const struct sockaddr *)&addrs[1], sizeof(addrs[1]));
+    // --- communication ---
+    char * buffer = malloc(BUFSIZE);
+    size_t msglen, i;
+    msglen = rw_recv(fd, (void *)buffer, BUFSIZE, 0);
+    for(i=0; i<msglen; i++) {
+        printf("%02X", buffer[i]);
+    }
+    // --- cleanup ---
+    rw_close(fd);
+    free(buffer);
+    return 0;
 }