need help in C++

[yang]

I have some problems with my program (in C++). Anyone can help me out??

[Mike Weber]

Can you be more specific?

[yang]

What I need to do is that parsing the given input file for a specific character and then writing the words that were found with that character to the given output file. (both of input and output files are text files).
I got some source codes from the net. However, it didn't work. Would you mind take a look by any chance. Thank you!

void LocateCharAux(FILE *pik_in, FILE *TB, TCHAR findchar)
{

TCHAR findChar;
BOOL m_Top = TRUE;
BOOL m_Bottom = TRUE;

if (m_Top) {
findChar = (TCHAR)'T';
}
else if (m_Bottom) {
findChar = (TCHAR)'B';
}

if (!pik_in || !TB) return;

static const TCHAR seps[] = _T(" \t\n");
TCHAR buf[256];
TCHAR *token;

while (fgets(buf, sizeof(buf)/sizeof(buf[0]), pik_in))
{
// tokenize the line into words
token = _tcstok(buf, seps);
while (token != NULL)
{
if (_tcschr(token, findChar) != NULL)
{
_ftprintf(TB, _T("%s\n"), token);

}

// While there are tokens in "string"
token = _tcstok(NULL, seps);
}
}

}

void LocateChar(LPCTSTR text2, LPCTSTR strTB, BOOL bTop)
{
TCHAR findChar = bTop ? (TCHAR) 'T' : (TCHAR)'B';

FILE *pik_in = NULL, *TB = NULL;

pik_in = _tfopen(text2, _T("r"));

if (pik_in != NULL) {
TB = _tfopen(strTB, _T("w"));

if (TB != NULL)
{
LocateCharAux(pik_in, TB, findChar);
fclose(TB);
}
fclose(pik_in);
}
}