获取总代码长度

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#define  MaxLength 1000

char Str[MaxLength];
char File[MaxLength];

int main()
{
    int Cnt,Len,i,j;
    FILE *Fi;
    system("attrib *.c /s /d > file_list.txt");
    //system("attrib *.? /s /d >> file_list.txt");/*?代表需要添加的文件类型的后缀*/
    Cnt=0;
    freopen("file_list.txt","r",stdin);
    while(gets(Str)!=NULL)
    {
        Len=strlen(Str);
        for(i=0; i<Len; ++i)
        {
            if(Str[i]!='A'&&Str[i]!=' ')
            {
                break;
            }
        }
        for(j=0; i<Len; ++i)
        {
            File[j++]=Str[i];
        }
        File[j++]='\0';
        Fi=fopen(File,"r");
        if(!Fi)
        {
            return -1;
        }
        while(!feof(Fi))
        {
            fgets(Str,MaxLength,Fi);
            Len=strlen(Str);
            if(Len>1)
            {
                ++Cnt;
            }
        }
        fclose(Fi);
    }
    fclose(stdin);
    freopen("output.txt","w",stdout);
    printf("%d\n",Cnt);
    fclose(stdout);
    return 0;
}