#include <nwvol.h> or #include <nwcalls.h> NWCCODE N_API NWGetVolumeNumber (NWCONN_HANDLE conn, pnstr8 volName, pnuint16 volNum);
NWCCODE N_API NWGetVolumeNumber (NWCONN_HANDLE conn, pnstr8 volName, pnuint16 volNum);
Volume