NAME

       hal_set_constructor - sets the constructor function for this component

SYNTAX

       typedef   int   (*hal_constructor_t)(const   char   *prefix,   const   char   *arg);   int
              hal_set_constructor(int comp_id, hal_constructor_t constructor)

ARGUMENTS

       comp_id A HAL component identifier returned by an earlier call to hal_init.

       prefix The prefix to be given to the pins, parameters, and functions in the new instance

       arg An argument that may be used by the component to customize this instance.

DESCRIPTION

       As an experimental feature in HAL 2.1, components may be constructable.  Such a  component
       may  create  pins  and  parameters  not  only at the time the module is loaded, but it may
       create additional pins and parameters, and functions on demand.

RETURN VALUE

       Returns a HAL status code.

SEE ALSO

       halcmd(1)