*src* to the managed entity ID (meid) field in the message.
The field is a fixed length, gated by the constant
RMR_MAX_MEID and if len is larger than this value, only
*src* to the managed entity ID (meid) field in the message.
The field is a fixed length, gated by the constant
RMR_MAX_MEID and if len is larger than this value, only