function回傳指標範例

#include

int *func(int x,int y)
{
int *z;
z=malloc(sizeof(int));
*z=x+y;
return z;
}

int main()
{
int buf=5;
int *ans=&buf;
int x=2,y=9;

printf("ans=%d\n",*ans);

ans=func(x,y);

printf("return pointer : ans= %d\n",*ans);
free(ans);
}