winapi::um::fileapi

Function LockFile

Source 
pub unsafe extern "system" fn LockFile(
    hFile: HANDLE,
    dwFileOffsetLow: DWORD,
    dwFileOffsetHigh: DWORD,
    nNumberOfBytesToLockLow: DWORD,
    nNumberOfBytesToLockHigh: DWORD,
) -> BOOL