#include "stdio.h" #include "malloc.h" #include "string.h" #include <netinet/in.h> #include "sys/socket.h" #include <sys/types.h> #include <sys/stat.h> #include <fcntl.h> #include "unistd.h" #include "sys/time.h" int main(int argc,char* argv[]) { fd_set rdfds; int ret=0; struct timeval timeout; timeout.tv_sec=10; timeout.tv_usec=0; char input[999]="