logos-messaging-nim/library/declare_lib.nim

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import ffi
import waku/factory/waku
declareLibrary("waku")
proc set_event_callback(
ctx: ptr FFIContext[Waku], callback: FFICallBack, userData: pointer
) {.dynlib, exportc, cdecl.} =
ctx[].eventCallback = cast[pointer](callback)
ctx[].eventUserData = userData