"SYSSTATS.H"

Missing SGIT_...-lines found in internal\heapint.def:

typedef enum /* word */ {
     SGIT_TOTAL_HANDLES=0,
     ...
     SGIT_UI_PROCESS=22,
     SGIT_HANDLE_TABLE_START=0x8000,
     SGIT_HANDLE_TABLE_SEGMENT=0x8002,        
     SGIT_LAST_HANDLE=0x8004,        
     SGIT_BIOS_LOCK=0x8006,        
     SGIT_INITIAL_TEXT_MODE=0x8008,        
     SGIT_DEFAULT_SIMPLE_GRAPHICS_MODE=0x800A,        
     SGIT_CURRENT_SIMPLE_GRAPHICS_MODE=0x800C,        
     SGIT_NUMBER_OF_FREE_HANDLES=0x800E,        
     SGIT_ERROR=0x8010,        
     SGIT_LAST_DISK_ACCESS=0x8012,        
     SGIT_LOADER_VARS_ADDRESS=0x8014,        
     SGIT_KCODE_SEGMENT=0x8016,
}

{Edward di Geronimo Jr. & Jörg Polzfuß}

Nathan Fiedler's comment:
The above is not a bug. Those constants are internal and are not guaranteed to be available. Please do not use code that is defined in the Internal include directory.