嵌入式7-20130212

zhaozhi0810

嵌入式7-20130212 [复制链接]

 

c专家编程中一段，玩转数组

 

 

/*************************************************************************
 > File Name: array.c
 > Author: zhaozhi
 > Mail: zhaozhi0810@qq.com
 > Created Time: Tue 12 Feb 2013 10:35:52 AM CST
 ************************************************************************/

#include <stdio.h>
#include <stdlib.h>

char array[]="abcdefghijklmn";

void my_array_func(char ca[5])
{
 printf("ca address = %#x\n",&ca);
 printf("ca[0] address = %#x\n",&(ca[0]));
 printf("ca[1] address = %#x\n",&(ca[1]));
 printf("++ca address = %#x\n",++ca);
 }

void my_point_func(char* ptr)
{
 printf("ptr address = %#x\n",&ptr);
 printf("ptr[0] address = %#x\n",&(ptr[0]));
 printf("ptr[1] address = %#x\n",&(ptr[1]));
 printf("++ptr address = %#x\n",++ptr);
}

 

int main(int argc,char * argv[])
{
 
 printf("array address = %#x\n",&array);
 printf("array[0] address = %#x\n",&(array[0]));
 printf("array[1] address = %#x\n",&(array[1]));
// printf("++array address = %#x\n",++array);

 printf("\n\n");
 my_array_func(array);
 printf("\n\n");
 my_point_func(array);
 printf("\n\n");

 return 0;

}

 

 ./a.out    
array address = 0x80498f4
array[0] address = 0x80498f4
array[1] address = 0x80498f5

ca address = 0xbf98d600
ca[0] address = 0x80498f4
ca[1] address = 0x80498f5
++ca address = 0x80498f5

ptr address = 0xbf98d600
ptr[0] address = 0x80498f4
ptr[1] address = 0x80498f5
++ptr address = 0x80498f5