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#include <stdio.h>
#include <stdlib.h>
int (*func())[20];//funcÊÇÒ»¸öº¯Êý£¬Ëü·µ»ØÒ»¸öÖ¸Ïò°üÀ¨20¸öintÔªËØµÄÊý×éµÄÖ¸Õë
int main(void)
{
int (*result)[20];
int i = 0;
result = func();
for(i = 0; i < 20; i++){
printf("%d\n", (*result)[i]);
}
free(result);
exit(0);
}
int (*func())[20]
{
int (*a)[20];
int i = 0;
a = calloc(20, sizeof(int));
if(a == NULL){
perror("calloc error");
exit(1);
}
for(i = 0; i < 20; i++){
a[0][i] = i;
}
return a;
}
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#include <stdio.h>
#include <stdlib.h>
struct tag{
int array[20];
}x, y;
struct tag func(void);
int main(void)
{
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int a; //¶¨Òå
extern int a; //ÉùÃ÷
char str[100]
extern char str[] //ok
char * str[]
extern char str[] //error
char ......
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#include <iostream.h>
void fun0(int* p)
{
int* a=new int[3];
*a=0;
*(a+1)=1;
*(a+2)=2;
p=a;
}
void fun1(int* &p)
{
int* a=new int[3];
*a=0;
*(a+1)=1;
*(a+2)=2;
p=a;
}
void fun2(int* p)
{
*p=0;
*(p+1)=1;
*(p+2)=2;
}
//warning:returning address of local va ......
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2.³ÌÐòÔ´´úÂ룺
main()
{
int i,j,k;
printf("\n");
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