#include <stdio.h>
main()
{
    char c1,fn[30];
    int delt;
    FILE *fp ,*fp1;
    printf ("input filename:");
    scanf ("&s",fn );
    fp =fopen (fn,"r");
    fp1=fopen("result.txt","w");
    do
    {
        c1=fgetc(fp);
        if (c1>=32 && c1<=126)
        {

        
        delt=c1-32;
        c1=126-delt;
    }
    fprintf(fp1,"#c",c1);
    } while (c1!=-1);

   
}
做的是一个简单的加密txt的小程序  

呵呵  谢了  搞定了  就是那个scanf ("&s",fn )改成scanf("%s",fn);  哎  确实晕了   搞了半天  就一个符合错误