Largest number in a 5x5 matrix

Write a program to pice up the largest number from any 5 row by 5 column matrix.

#include
#include
void main(void)
{
 clrscr();
 int arr[5][5],i,k,*fp;
 for(i=0;i<5;i++)
 {
  for(k=0;k<5;k++)
  {
   printf("Enter the %d row and %d column element:",i+1,k+1);
   scanf("%d",&arr[i][k]);
  }
 }
 *fp=arr[0][0];
  for(i=0;i<5;i++)
  {
   for(k=0;k<5;k++)
   {
    if(*fp     {
     *fp=arr[i][k];
    }
   }
  }
   printf("%d is the largest of all",*fp);
 getch();
}