Exp 6 Selective Repeat

#include<stdio.h>
#include<conio.h>

void main()
{
    int w,i,f,frames[50];

    clrscr();
    printf("Enter window size: ");
    scanf("%d",&w);

    printf("\nEnter number of frames to transmit: ");
    scanf("%d",&f);

    printf("\nEnter %d frames: ",f);

    for(i=1;i<=f;i++)
scanf("%d",&frames[i]);

    printf("\n frames will be sent in the following manner \n\n");
    printf("After sending %d frames sender will get the acknowledgement \n\n",w);

    for(i=1;i<=f;i++)
    {
if(i%w==0)
{
    printf("%d\n",frames[i]);
    printf("Acknowledgement received \n\n");
}
else
    printf("%d ",frames[i]);
    }

    if(f%w!=0)
printf("\nAcknowledgement of above frames sent is received by sender\n");


getch();
}