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function rdb_ocean_get_tracer_count(c_handle,count_out)result(status)&bind(c,name="rdb_ocean_get_tracer_count")!! Number of registered tracers (S, T, + any passive tracers) —!! bounds for `rdb_ocean_list_tracers`'s index argument.type(c_ptr),intent(in),value::c_handleinteger(c_int),intent(out)::count_outinteger(c_int)::statustype(ocean_handle_t),pointer::hcount_out=0status=resolve_ocean(c_handle,h)if(status/=OCEAN_STATUS_OK)return if(allocated(h%state%multilayer%tracers))thencount_out=int(size(h%state%multilayer%tracers),c_int)end if end function rdb_ocean_get_tracer_count