Inquire library vq_nvdi() vq_extfs()
Programming guideline of WinDom

vq_winx()

NOM

vq_winx - returns the WinX version number.

PROTOTYPAGE

int vq_winx( void);

DESCRIPTION

vq_winx() returns the WinX version number or zero if WinX is not installed. The version number is available from WinX 2.1. From older version, vq_winx() returns always 0x0100.