### - d -

- DATA_DIR : fileio.h
- DC_AI_BUILDING : command_type.h
- DC_AUTO : command_type.h
- DC_AUTOREPLACE : command_type.h
- DC_BANKRUPT : command_type.h
- DC_EXEC : command_type.h
- DC_NO_RAIL_OVERLAP : command_type.h
- DC_NO_TOWN_RATING : command_type.h
- DC_NO_WATER : command_type.h
- DC_QUERY_COST : command_type.h
- DEFAULT_GROUP : group.h
- DEPOT_WIDGET_H_SCROLL : depot_gui.cpp
- DEPOT_WIDGET_V_SCROLL : depot_gui.cpp
- DIAGDIR_BEGIN : direction_type.h
- DIAGDIR_END : direction_type.h
- DIAGDIR_NE : direction_type.h
- DIAGDIR_NW : direction_type.h
- DIAGDIR_SE : direction_type.h
- DIAGDIR_SW : direction_type.h
- DIAGDIRDIFF_90LEFT : direction_type.h
- DIAGDIRDIFF_90RIGHT : direction_type.h
- DIAGDIRDIFF_REVERSE : direction_type.h
- DIAGDIRDIFF_SAME : direction_type.h
- DIR_BEGIN : direction_type.h
- DIR_E : direction_type.h
- DIR_END : direction_type.h
- DIR_N : direction_type.h
- DIR_NE : direction_type.h
- DIR_NW : direction_type.h
- DIR_S : direction_type.h
- DIR_SE : direction_type.h
- DIR_SW : direction_type.h
- DIR_W : direction_type.h
- DIRDIFF_45LEFT : direction_type.h
- DIRDIFF_45RIGHT : direction_type.h
- DIRDIFF_90LEFT : direction_type.h
- DIRDIFF_90RIGHT : direction_type.h
- DIRDIFF_REVERSE : direction_type.h
- DIRDIFF_SAME : direction_type.h
- DNC_BANKRUPCY : news.h
- DNC_VEHICLEAVAIL : news.h
- DRD_BOTH : road_map.h
- DRD_NONE : road_map.h
- DRD_NORTHBOUND : road_map.h
- DRD_SOUTHBOUND : road_map.h
- DSGA_OP_ADD : newgrf_spritegroup.h
- DSGA_OP_AND : newgrf_spritegroup.h
- DSGA_OP_MUL : newgrf_spritegroup.h
- DSGA_OP_OR : newgrf_spritegroup.h
- DSGA_OP_ROR : newgrf_spritegroup.h
- DSGA_OP_RST : newgrf_spritegroup.h
- DSGA_OP_SCMP : newgrf_spritegroup.h
- DSGA_OP_SDIV : newgrf_spritegroup.h
- DSGA_OP_SMAX : newgrf_spritegroup.h
- DSGA_OP_SMIN : newgrf_spritegroup.h
- DSGA_OP_SMOD : newgrf_spritegroup.h
- DSGA_OP_STO : newgrf_spritegroup.h
- DSGA_OP_STOP : newgrf_spritegroup.h
- DSGA_OP_SUB : newgrf_spritegroup.h
- DSGA_OP_UCMP : newgrf_spritegroup.h
- DSGA_OP_UDIV : newgrf_spritegroup.h
- DSGA_OP_UMAX : newgrf_spritegroup.h
- DSGA_OP_UMIN : newgrf_spritegroup.h
- DSGA_OP_UMOD : newgrf_spritegroup.h
- DSGA_OP_XOR : newgrf_spritegroup.h