C PROGRAM to ENTIRE ARRAY TO A FILE

C PROGRAM  to ENTIRE ARRAY TO A FILE 

Writing of entire array to a file using c program

#include<stdio.h>

int main(){

  FILE *p;

  int i,a[10];

  if((p=fopen("myfile.dat","wb"))==NULL){

      printf("\nUnable to open file myfile.dat");

      exit(1);

  }

  printf("\nEnter ten values, one value on each line\n");

  for(i=0;i<10;i++)

      scanf("%d",&a[i]);

  fwrite(a,sizeof(a),1,p);

  fclose(p);

  return 0;

}