pub unsafe extern "system" fn DequeueUmsCompletionListItems(
UmsCompletionList: PUMS_COMPLETION_LIST,
WaitTimeOut: DWORD,
UmsThreadList: *mut PUMS_CONTEXT,
) -> BOOL
pub unsafe extern "system" fn DequeueUmsCompletionListItems(
UmsCompletionList: PUMS_COMPLETION_LIST,
WaitTimeOut: DWORD,
UmsThreadList: *mut PUMS_CONTEXT,
) -> BOOL