--- /dev/null
+/* public domain */
+/* gcc -o udptest udp-test.c */
+
+/*
+ will send "RETROPAD RIGHT" indefinely to player 1
+ to send to player 2 change port to 55401 and so on
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <arpa/inet.h>
+#include <sys/socket.h>
+
+#define SERVER "127.0.0.1"
+#define PORT 55400
+
+void die(char *s)
+{
+ perror(s);
+ exit(1);
+}
+
+int main(void)
+{
+ struct sockaddr_in si_other;
+ int s, i, slen=sizeof(si_other);
+
+ if ( (s=socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1)
+ die("socket");
+
+ memset((char *) &si_other, 0, sizeof(si_other));
+ si_other.sin_family = AF_INET;
+ si_other.sin_port = htons(PORT);
+
+ if (inet_aton(SERVER , &si_other.sin_addr) == 0)
+ {
+ fprintf(stderr, "inet_aton() failed\n");
+ exit(1);
+ }
+
+ for (;;)
+ {
+ char message[10]="128";
+ /* send the message */
+ if (sendto(s, message, strlen(message) , 0 , (struct sockaddr *) &si_other, slen)==-1)
+ die("sendto()");
+
+ /* sleep for 1 frame (60hz) */
+ usleep(16*1000);
+ }
+
+ close(s);
+ return 0;
+}