(PHP 4 >= 4.0.5, PHP 5 <= 5.0.4)
udm_errno -- Get mnoGoSearch error number
Description
int 
udm_errno ( resource agent )
    udm_errno() returns mnoGoSearch error number, zero if no error.
   
    agent - link to agent identifier, received
    after call to udm_alloc_agent().
   
    Receiving numeric agent error code.