Socket API: bind error: Socket operation on non-socket - c

Question

I'm new to c and I am trying to learn the sockets api, but I got this error: Socket operation on non-socket from Bind
Socket did not give an error
daytimeserv1.c:
#include "../holds/runp.h"
#include "../holds/wrapper.h"
int main(int argc, char **argv) {
int listenfd, connfd;
struct sockaddr_in servaddr;
char buff[MAXLINE];
time_t ticks;
listenfd = Socket(AF_INET, SOCK_STREAM, 0);
memset(&listenfd, 0, sizeof(listenfd));
servaddr.sin_family = AF_INET;
servaddr.sin_addr.s_addr = htonl(INADDR_ANY);
servaddr.sin_port = htons(13);
Bind(listenfd, (struct sockaddr *) &servaddr, sizeof(servaddr));
Listen(listenfd, LISTENQ);
for( ; ; ) {
connfd = Accept(listenfd, (struct sockaddr *) NULL, NULL);
ticks = time(NULL);
snprintf(buff, sizeof(buff), "%.24s\r\n", ctime(&ticks));
Write(connfd, buff, strlen(buff));
Close(connfd);
}
}
Wrappers wrapper.c
#include "wrapper.h"
void err_sys(const char* x) {
perror(x);
exit(1);
}
int Socket(int family, int type, int protocol) {
int n = socket(family, type, protocol);
if (n < 0)
err_sys("socket error");
return(n);
}
void Bind(int fd, const struct sockaddr *sa, socklen_t salen) {
if(bind(fd, sa, salen) < 0)
err_sys("bind error");
}
runp.h is just includes and constants
Any help is much appreciated! Thanks!
(My build system is bazel if that helps at all)

Answer 1

You are erasing the socket handle you just created via
memset(&listenfd, 0, sizeof(listenfd));
so you should remove it.
I guess what you actualy wanted to do is
memset(&servaddr, 0, sizeof(servaddr));