ulrc (APIRET) - returns

Return Code.

DosWaitChild returns one of the following values:

• NO_ERROR
  13
  ERROR_INVALID_DATA
  87
  ERROR_INVALID_PARAMETER
  128
  ERROR_WAIT_NO_CHILDREN
  129
  ERROR_CHILD_NOT_COMPLETE
  184
  ERROR_NO_CHILD_PROCESS
  303
  ERROR_INVALID_PROCID
  For a full list of error codes, see Errors.