winapi::um::fileapi

Function UnlockFile

Source 
pub unsafe extern "system" fn UnlockFile(
    hFile: HANDLE,
    dwFileOffsetLow: DWORD,
    dwFileOffsetHigh: DWORD,
    nNumberOfBytesToUnlockLow: DWORD,
    nNumberOfBytesToUnlockHigh: DWORD,
) -> BOOL