程序代码：

 #include"include.c"
#include"struct.c"
#include"file.c"
int main(){
        FILE *f;
        User *u;
        char f_name[20];
        printf("scanf open file name:");
        gets(f_name);
        f = fopen(f_name,"ab+");
        while(!feof(f)){
                u = (User *)malloc(sizeof(User));
                fread(u,sizeof(User),1,f);
                printf("%s\t%d\t%s\n",u->name,u->age,u->f_word);
        }
        fclose(f);
}