simple example of pointers

1#include <stdio.h>
2#include <stdlib.h>
3
4int main() {
5    int *nums;
6    int x;
7//	Allocate storage for 3 integers 
8    nums = (int *)malloc( sizeof(int) * 3 );
9    if( nums==NULL ) {
10        fprintf(stderr,"Memory allocation error\n");
11        exit(1);
12    }
13//	Assign the integer values
14    for( x=0; x<3; x++ )
15        *(nums+x) = x+1;
16//	Output the results
17    printf("%d %d %d\n",
18            *(nums+0),
19            *(nums+1),
20            *(nums+2)
21          );
22    return(0);
23}