什么Win32 API可用于查找打开给定文件的进程？

If I read or write to a file and receive a 33 or 32 error, I would like to log a message containing the name of the other process(es) that have the file opened. There must be a Win32 API I could use to get this info. Process Explorer displays it. Of course, Process Explorer also has info about all processes in memory. I'd prefer to find the culprit without interrogating all processes.If I read or write to a file and receive a 33 o