填空
#include <stdio.h>
#include <stdlib.h>
void fun(char *s, int a, double f)
{
/**********found**********/
__1__ fp;
char str[100], str1[100], str2[100];
int a1; double f1;
fp = fopen("file1.txt", "w");
fprintf(fp, "%s %d %f\n", s, a, f);
/**********found**********...