/*
    In this example we demonstrate how to pass a pointer to integer
    as a parameter to a function
*/

#include <alloc.h>
#include <stdio.h>

/*
    Function prototype
*/
void print_ptr(int *);

void main()
{
    int *px; /* Pointer declaration */
    px = (int *) malloc ( 1 ); /* Allocate memory */
    *px = 5;
    print_ptr( px );
    free( px ); /* Free up memory */
}

/*
    Function print_ptr source code
*/
void print_ptr(int *p)
{
    printf("%d\n",*p);
}

© 2004 Jim Valavanis