FIFO.c

#include<stdio.h>
int main()
{
	int reference_string[10], page_faults = 0, m, n, s, pages, frames;
	printf("\nEnter Total Number of Pages:\t");
	scanf("%d", &pages);
	printf("\nEnter values of Reference String:\n");
for(m = 0; m < pages; m++)	{
		printf("Value No. [%d]:\t", m + 1);
		scanf("%d", &reference_string[i]);
	}
	printf("\nEnter Total Number of Frames:\t");
	{
		scanf("%d", &frames);
           }
	int temp[frames];
	for(m = 0; m < frames; m++)
	{
		temp[m] = -1;
	}
	for(m = 0; m < pages; m++)
	{
		s = 0;
                      {
                      if(reference_string[m] == temp[n])
                         {
		s++;
	           page_faults--;	
                  }
         }
	page_faults++;
 	if((page_faults <= frames) && (s == 0))
          {
			temp[m] = reference_string[m];

           }
 	else if(s == 0)
		{
			temp[(page_faults - 1) % frames] = reference_string[m];
		}
		printf("\n");
 	for(n = 0; n < frames; n++)
	{ 
		printf("%d\t", temp[n]);
               }
	} 
	printf("\nTotal Page Faults:\t%d\n", page_faults);
	return 0;
}