为啥计算不出来，显示的是0行啊，代码如下

include <io.h>

include <direct.h>

include <stdio.h>

include <stdlib.h>

include <string.h>

define MAX 256

long total;
int countLines(const char filename);
void findAllCodes(const char path);
void findAllFiles(const char path);
int countLines(const char filename)
{
FILE fp;
int count = 0;
int temp;
if ((fp = fopen(filename,"r")) == NULL)
{
fprintf(stderr,"Can not open the file: %s\n", filename);
return 0;
}
while ((temp = fgetc(fp)) != EOF)
{
if (temp == '\n')
{
count++;
}
}
fclose(fp);
return count;
}
void findAllCodes(const char path)
{
struct _finddata_t fa;
long handle;
char thePath[MAX], target[MAX];
strcpy(thePath, path);
if((handle = _findfirst(strcat(thePath, "/*.c"), &fa)) != -1L)
{
do
{
sprintf(target, "%s/%s", path, fa.name);
total += countLines(target);
}while (_findnext(handle, &fa) == 0);
}
_findclose(handle);
}
void findALLDirs(const char *path)
{
struct _finddata_t fa;
long handle;
char thePath[MAX];
strcpy(thePath, path);
if((handle = _findfirst(strcat(thePath, "/*"),&fa)) == -1L)
{
fprintf(stderr, "The path %s is wrong!\n",path);
return;
}
do
{
if (!strcmp(fa.name, ".") || !strcmp(fa.name, "..") )
continue;
if( fa.attrib == _A_SUBDIR)
{
sprintf(thePath, "%s/%s", path, fa.name);
findAllCodes(thePath);
findALLDirs(thePath);
}
}while (_findnext(handle, &fa) == 0);
_findclose(handle);
}
int main()
{
char path[MAX] = ".";
printf("计算中...\n");
findAllCodes(path);
findALLDirs(path);
printf("目前你总共写了 %1d 行代码！\n\n", total);
system("pause");
return 0;
}