输入若干行字符以$结束，统计输入行数

#include <stdio.h>
main(){
int i,n;
char str[80];
i=0;
while((str[i++]=getchar())!='$');

str[i]='\0';

printf("%s",str);
getch();
}

/*
题目要求:
从键盘输入字符,逐个送到磁盘上，直到“#”为止。
*/
#include<stdio.h>
#include <conio.h>
#include <stdlib.h>

int main(void);

int main(void)
{
FILE *fp;
char ch,filename[10];
printf("Input the file name,please\n");
scanf("%s",filename);
if((fp=fopen(filename,"w"))==NULL)
{
printf("Cannot open file \n");
exit(0);
}
flushall();
printf("Now insert data..\n");
printf("**********************************************\n");
printf("The programe would store...\n");
printf("**********************************************\n"