ptr.c

来自「里面包含很多c语言的源码」· C语言 代码 · 共 32 行

/* Demonstrates basic pointer use. */

#include <stdio.h>

/* Declare and initialize an int variable */

int var = 1;

/* Declare a pointer to int */

int *ptr;

int main( void )
{
    /* Initialize ptr to point to var */

    ptr = &var;

    /* Access var directly and indirectly */

    printf("\nDirect access, var = %d", var);
    printf("\nIndirect access, var = %d", *ptr);

    /* Display the address of var two ways */

    printf("\n\nThe address of var = %d", &var);
    printf("\nThe address of var = %d\n", ptr);

    return 0;
}