Metadatacopystruct _HAL_PROFILE_SOURCE_INTERVAL { enum _KPROFILE_SOURCE Source;/* 0x0 4 */ unsigned long Interval;/* 0x4 4 */};/* computed: NT 4.0 DDK headers (DDK/INC/NTDDK.H, NTDEF.H, ...) compiled with MSVC 32-bit layout rules (clang): a type the DDK libraries' records lack */