Error in server programming - c

Question

I'm trying to write a simple code for a server to print something from a function
This code gives me an error :
request for member ‘sin_addr’ in something not a structure or union
and I don't understand why
can you help me?
#include <sys/types.h>
#include <netinet/in.h>
#include <inttypes.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <strings.h>
#include <unistd.h>
#include <stdio.h>
void printsin(struct sockaddr_in *s, char *str1, char *str2) {
printf("%s\n", str1);
printf("%s: ", str2);
printf("%d = ,", s.sin_addr.s_addr);
printf(" %d = ", s.sin_port);
printf("\n");
}
int main(int argc, char *argv[])
{
int socket_fd, cc, fsize;
struct sockaddr_in s_in, from;
struct { char head; u_long body; char tail;} msg;
socket_fd = socket (AF_INET, SOCK_DGRAM, 0);
bzero((char *) &s_in, sizeof(s_in)); /* They say you must do this */
s_in.sin_family = (short)AF_INET;
s_in.sin_addr.s_addr = htonl(INADDR_ANY); /* WILDCARD */
s_in.sin_port = htons((u_short)0x3333);
printsin( &s_in, "RECV_UDP", "Local socket is:");
fflush(stdout);
bind(socket_fd, (struct sockaddr *)&s_in, sizeof(s_in));
for(;;) {
fsize = sizeof(from);
cc = recvfrom(socket_fd,&msg,sizeof(msg),0,(struct sockaddr *)&from,&fsize);
//printsin( &from, "recv_udp: ", "Packet from:");
printf("Got data ::%c%ld%c\n",msg.head,(long) ntohl(msg.body),msg.tail);
fflush(stdout);
}
return 0;
}
Thank you

Answer 1

printf("%d = ,", s->sin_addr.s_addr);
printf(" %d = ", s->sin_port);
That should fix it you pass it in as a pointer then you never deference it.