maybe you don't need it still, but if some one need it:

only change the line:
Code:
WORD nFontType;

to:
Code:
DWORD nFontType;


here is your code repaired:

Code:
#include <acknex.h>
#include <windows.h>
#include <default.c>

typedef char TCHAR;
typedef int INT;
typedef char* LPTSTR;
typedef const char* LPCTSTR;

//////////////////////////////
// LOGFONT struct
//////////////////////////////
typedef struct tagLOGFONT {
LONG lfHeight;
LONG lfWidth;
LONG lfEscapement;
LONG lfOrientation;
LONG lfWeight;
BYTE lfItalic;
BYTE lfUnderline;
BYTE lfStrikeOut;
BYTE lfCharSet;
BYTE lfOutPrecision;
BYTE lfClipPrecision;
BYTE lfQuality;
BYTE lfPitchAndFamily;
TCHAR lfFaceName[LF_FACESIZE];
} LOGFONT;
typedef LOGFONT* PLOGFONT ;
typedef LOGFONT* LPLOGFONT ;

//////////////////////////////
// CHOOSEFONT struct
//////////////////////////////
/*UINT (APIENTRY* LPCFHOOKPROC)(
HWND hdlg,
UINT uiMsg,
WPARAM wParam,
LPARAM lParam
);*/
typedef UINT LPCFHOOKPROC;


typedef struct {
DWORD lStructSize;
HWND hwndOwner;
HDC hDC;
LPLOGFONT lpLogFont;
INT iPointSize;
DWORD Flags;
COLORREF rgbColors;
LPARAM lCustData;
/*LPCFHOOKPROC lpfnHook;*/
LPCFHOOKPROC lpfnHook(HWND hdlg,UINT uiMsg,WPARAM wParam,LPARAM lParam);
// function pointer

LPCTSTR lpTemplateName;
HINSTANCE hInstance;
LPTSTR lpszStyle;
DWORD nFontType;
INT nSizeMin;
INT nSizeMax;
} CHOOSEFONT;
typedef CHOOSEFONT* PCHOOSEFONT;
typedef CHOOSEFONT* LPCHOOSEFONT;


BOOL WINAPI ChooseFont(CHOOSEFONT* lpcf);
#define PRAGMA_API ChooseFont;comdlg32!ChooseFontA

//////////////////////////////
// Main
//////////////////////////////
void main()
{
wait(-1) ;

CHOOSEFONT cf;
int cyChar;
LOGFONT lf;
TCHAR szText[] = {'1','2','3','4','5'};

GetObject (GetStockObject (SYSTEM_FONT), sizeof (lf), &lf) ; 
//printf("%s", lf.lfFaceName);

// Inialize the CHOOSEFONT structure
cf.lStructSize = sizeof (CHOOSEFONT) ;
cf.hwndOwner = NULL ;
cf.hDC = NULL ;
cf.lpLogFont = &lf ;
cf.iPointSize = 0 ;
cf.Flags = CF_INITTOLOGFONTSTRUCT |
CF_SCREENFONTS | CF_EFFECTS ;
cf.rgbColors = 0 ;
cf.lCustData = 0 ;
cf.lpfnHook = NULL ;
cf.lpTemplateName = NULL ;
cf.hInstance = NULL ;
cf.lpszStyle = NULL ;
cf.nFontType = 0 ; 
cf.nSizeMin = 0 ;
cf.nSizeMax = 0 ;

ChooseFont (&cf);

}