lib.h

#ifndef LIB
#define LIB
#define TYPE1 1
#define TYPE2 2
#define TYPE3 3
#define TYPE4 4
#define ACK_T1 "ACK(TYPE1)"
#define ACK_T2 "ACK(TYPE2)"
#define ACK_T3 "ACK(TYPE3)"
#define FINISH 5

#define MSGSIZE 1400
#define PKTSIZE 1396
#define HOST "127.0.0.1"
#define PORT1 10000
#define PORT2 10001
#define COUNT 1000

typedef struct {
  int len;
  char payload[MSGSIZE];
} msg;

typedef struct {
  int type;
  char payload[PKTSIZE];
} my_pkt;

void init(char *remote, int remote_port);
void set_local_port(int port);
void set_remote(char *ip, int port);
int send_message(const msg *m);
int recv_message(msg *r);
int recv_message_timeout(msg *m, int timeout);

#endif