ptr_math.c

来自「c21Examples.rar」· C语言 代码 · 共 37 行

/* Demonstrates using pointer arithmetic to access */
/* array elements with pointer notation. */

#include <stdio.h>
#define MAX 10

/* Declare and initialize an integer array. */

int i_array[MAX] = { 0,1,2,3,4,5,6,7,8,9 };

/* Declare a pointer to int and an int variable. */

int *i_ptr, count;

/* Declare and initialize a float array. */

float f_array[MAX] = { .0, .1, .2, .3, .4, .5, .6, .7, .8, .9 };

/* Declare a pointer to float. */

float *f_ptr;

int main( void )
{
    /* Initialize the pointers. */

    i_ptr = i_array;
    f_ptr = f_array;

    /* Print the array elements. */

    for (count = 0; count < MAX; count++)
        printf("%d\t%f\n", *i_ptr++, *f_ptr++);

    return 0;
}