Here is a list of all documented enum values with links to the documentation:

- n -

NCVV_COMPANY_INFORMATION : vehicle_base.h
NCVV_CONSIST_CARGO_INFORMATION : vehicle_base.h
NCVV_END : vehicle_base.h
NCVV_POSITION_CONSIST_LENGTH : vehicle_base.h
NCVV_POSITION_IN_VEHICLE : vehicle_base.h
NCVV_POSITION_SAME_ID_LENGTH : vehicle_base.h
NETWORK_COORDINATOR_ERROR_INVALID_INVITE_CODE : tcp_coordinator.h
NETWORK_COORDINATOR_ERROR_REGISTRATION_FAILED : tcp_coordinator.h
NETWORK_COORDINATOR_ERROR_REUSE_OF_INVITE_CODE : tcp_coordinator.h
NETWORK_COORDINATOR_ERROR_UNKNOWN : tcp_coordinator.h
NETWORK_RECV_STATUS_CLIENT_QUIT : core.h
NETWORK_RECV_STATUS_CLOSE_QUERY : core.h
NETWORK_RECV_STATUS_CONNECTION_LOST : core.h
NETWORK_RECV_STATUS_DESYNC : core.h
NETWORK_RECV_STATUS_MALFORMED_PACKET : core.h
NETWORK_RECV_STATUS_NEWGRF_MISMATCH : core.h
NETWORK_RECV_STATUS_OKAY : core.h
NETWORK_RECV_STATUS_SAVEGAME : core.h
NETWORK_RECV_STATUS_SERVER_BANNED : core.h
NETWORK_RECV_STATUS_SERVER_ERROR : core.h
NETWORK_RECV_STATUS_SERVER_FULL : core.h
NEW_AIRPORT_OFFSET : airport.h
NGLS_BANNED : network_gamelist.h
NGLS_FULL : network_gamelist.h
NGLS_OFFLINE : network_gamelist.h
NGLS_ONLINE : network_gamelist.h
NGLS_TOO_OLD : network_gamelist.h
NIT_CARGO : newgrf_debug_gui.cpp
NIT_INT : newgrf_debug_gui.cpp
NL_CALCLENGTH : saveload.cpp
NL_NONE : saveload.cpp
NL_WANTLENGTH : saveload.cpp
NRWCD_HANDLED : network_gui.h
NRWCD_UNHANDLED : network_gui.h
NST_END : network_game_info.h
NST_GRFID_MD5 : network_game_info.h
NST_GRFID_MD5_NAME : network_game_info.h
NST_LOOKUP_ID : network_game_info.h
NUM_AIRPORTS : airport.h
NUM_AIRPORTS_PER_GRF : airport.h
NUM_TLS : town_type.h
NWID_BUTTON_DROPDOWN : widget_type.h
NWID_CUSTOM : widget_type.h
NWID_HORIZONTAL : widget_type.h
NWID_HORIZONTAL_LTR : widget_type.h
NWID_HSCROLLBAR : widget_type.h
NWID_LAYER : widget_type.h
NWID_MATRIX : widget_type.h
NWID_SELECTION : widget_type.h
NWID_SPACER : widget_type.h
NWID_VERTICAL : widget_type.h
NWID_VIEWPORT : widget_type.h
NWID_VSCROLLBAR : widget_type.h