Re: [PATCH 0/1] MR163: avicap32: Add fallback Unixlib function and thunk to use when V4L is unavailable.

[Alexandre Julliard (＠julliard)]

A better way would be to check for failure of the NtQueryVirtualMemory(MemoryWineUnixFuncs) call.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/163#note_1453