File Name : stop&wait.c
For Dev C++
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#include<stdio.h>
#include<conio.h>
#define MAXSIZE 100
typedef struct
{
unsigned char data[MAXSIZE];
}packet;
typedef enum{data,ack}frame_kind;
typedef struct
{
frame_kind kind;
int sq_no;
int ack;
packet info;
}frame;
typedef enum{frame_arrival}event_type;
typedef enum{true_false}boolean;
void frame_network_layer(packet *p)
{
printf("\n from network arrival");
}
void to_physical_layer(frame *f)
{
printf("\n to physical layer");
}
void wait_for_event(event_type *e)
{
printf("\n waiting for event n");
}
void sender(void)
{
frame s;
packet buffer;
event_type event;
printf("\n ***SENDER***");
frame_network_layer(&buffer);
s.info=buffer;
to_physical_layer(&s);
wait_for_event(&event);
}
void from_physical_layer(frame *f)
{
printf("from physical layer");
}
void to_network_layer(packet *p)
{
printf("\n to network layer");
}
void receiver(void)
{
frame r,s;
event_type event;
printf("\n ***RECEIVER***");
wait_for_event(&event);
from_physical_layer(&r);
to_network_layer(&r.info);
to_physical_layer(&s);
}
int main()
{
sender();
receiver();
return 0;
getch();
}
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Program Finish.............