#include <stdio.h>
#include <stdlib.h>
int main()
{
    FILE * fp ;
    char ch , filename[10] ;
    printf ( "请输入所用的文件名" ) ;
    scanf  ( "%s" , filename ) ;
    if ( ( fp = fopen ( filename , "w" ) ) == NULL )
        {
            printf ( "无法打开此文件\n" ) ;
            exit ( 0 ) ;
        }
    ch = getchar ( ) ;
    printf ( "请输入一个准备存储到磁盘的字符串（以!结束）:" ) ;
    ch = getchar ( ) ;
    while ( ch != '!' )
        {
            fputc ( ch , fp ) ;
            putchar ( ch ) ;
            ch = getchar ( ) ;
        }
    fclose ( fp ) ;
    putchar ( 10 ) ;
    return 0;
}

[此贴子已经被作者于2019-1-31 12:40编辑过]