求大神解答一下,为啥指针s不做变化
#include"stdio.h"#include"stdlib.h"
void fun(double *p1,double *p2,double *s)
{
s=(double *)calloc(1,sizeof(double));
*s=*p1+*(p2+1);
}
main
{double a[2]={1.1,2.2},b[2]={10.0,20.0},*s=a;
fun(a,b,s);
printf("%5.2f\n",*s);
}