test 4不要直接粘贴，修改内容

#include<stdio.h>
#include<stdlib.h>
main()
{
    FILE *p;
    char a;
    int i=1,j=0,k,x;
    if((p=fopen("file17.txt","r"))==NULL)
    {
        printf("Failure to open file17.txt!\n");
    }
    while((a=fgetc(p))!=EOF)
    {
        if(a>='a'&&a<='z'||a>='A'&&a<='Z'||a==' ')
            {
                printf("%c",a);
                j++;
            }
        if(j%10==0)
        {
            printf("\n");
            i++;
        }
    }
    k=10-j%10;
    for(x=0;x<k;x++)
    {
        printf("*");
    }
    printf("\n");
    printf("%d",i);
    fclose(p);
}