$ find . -type f -name "libpq.dll" -o -name "libpq.def" -o -name "libpq.[ha]"
./12/bin/libpq.def
./12/bin/libpq.dll
./12/include/server/libpq/libpq.h
./12/lib/libpq.a
./12/lib/libpq.dll
./12/pgAdmin 4/bin/libpq.dll


$