#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>

int
main()
{
 int sock;
 struct sockaddr_in addr;

 sock = socket(AF_INET, SOCK_DGRAM, 0);

 addr.sin_family = AF_INET;
 addr.sin_port = htons(51235);
 addr.sin_addr.s_addr = inet_addr("127.0.0.1");

 sendto(sock, "2021/6/18 13:33,100623.48,9153.39,342.18,100642.46,9141.7,342.39,-18.97,11.69,-0.21,100624.37,9152.94,342.17,100639.21,9156.96,342.39,-14.84,-4.03,-0.21,-3440,79346,0,100624.54,9153.84,341.19,19.68,5.83,0.22,153.01,150,3.01,1.41,-0.2", 234, 0, (struct sockaddr *)&addr, sizeof(addr));

 close(sock);

 return 0;
}