#include <nwfse.h> or #include <nwcalls.h> NWCCODE N_API NWGetVolumeInfoByLevel (NWCONN_HANDLE conn, nuint32 volNum, nuint32 infoLevel, NWFSE_VOLUME_INFO_BY_LEVEL N_FAR fseVolumeInfo);
NWCCODE N_API NWGetVolumeInfoByLevel (NWCONN_HANDLE conn, nuint32 volNum, nuint32 infoLevel, NWFSE_VOLUME_INFO_BY_LEVEL N_FAR fseVolumeInfo);