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我有一个程序在这里使用双字符指针无法从字符字符串**
#include <stdio.h>
#include <stdlib.h>
void loadarray(char ** message)
{
int size = 10;
*message = (char*)malloc(size * sizeof(char));
int i = 0;
char stringarr[10]={"hello"};
char msg_byte;
for (i = 0; i < size; i++)
{
//load stringarr into msg_byte
msg_byte = stringarr[i];
char* pmsg = *message;
*pmsg = (char)msg_byte;
printf("data location %d is %X\n", i, *pmsg);
pmsg++;
}
}
void main()
{
char* arr;
loadarray(&arr);
printf("array = %02X %02X %02X %02X %02X\n", arr[0], arr[1], arr[2], arr[3], arr[4]);
}
输出我是
data location 0 is 68
data location 1 is 65
data location 2 is 6C
data location 3 is 6C
data location 4 is 6F
data location 5 is 0
data location 6 is 0
data location 7 is 0
data location 8 is 0
data location 9 is 0
array = 00 00 00 00 00
出于某种原因,我不能只是通过字符串回到主。我究竟做错了什么?首先感谢您的帮助。
每日提醒不要投出malloc的返回类型。 – Igor 2014-08-28 17:10:52
感谢您的提醒。我一直认为我必须。 – user3037484 2014-08-28 17:12:02
每日提醒备份每日提醒与来源。 – 2014-08-28 17:12:53