NAME¶

RtlFindLastBackwardRunSet (NTDLL.@)

SYNOPSIS¶

ULONG RtlFindLastBackwardRunSet
(
PCRTL_BITMAP lpBits,
ULONG ulStart,
PULONG lpPos
)

DESCRIPTION¶

Find a previous run of set bits in a bitmap.

PARAMS¶

lpBits [In] Bitmap pointer. ulStart [In] Bit position to start searching from. lpPos [Out] Start of run.

RETURNS¶

Success: The length of the previous set run in the bitmap. lpPos is set to the start of the run. Failure: 0, if no run is found or any parameters are invalid.

IMPLEMENTATION¶

Declared in "winternl.h". Implemented in "dlls/ntdll/rtlbitmap.c". Debug channel "ntdll".