/*-------------------------------------------------------【程序填空】---------------------------------------------------------题目:给定程序中,函数fun的功能是将形参给定的字符串、整数、浮点数写到文本文件      中,再用字符方式从此文本文件中逐个读入并显示在终端屏幕上。-------------------------------------------------------*/#include  <stdio.h>void fun(char  *s, int  a, double  f){/***********SPACE***********/        FILE fp;        char  str;        fp = fopen("file1.txt", "w");        fprintf(fp, "%s %d %f\n", s, a, f);        fclose(fp);        fp = fopen("file1.txt", "r");        printf("\nThe result :\n\n");        str = fgetc(fp);/***********SPACE***********/        while (!feof(fp))         {/***********SPACE***********/                putchar(str);                 str = fgetc(fp);          }        putchar('\n');        fclose(fp);}main(){         char  a[10]="Hello!";          int  b=12345;        double  c= 98.76;        fun(a,b,c);}