function initializes a spawn attributes object
with the default value for all of the individual attributes used by the
Initializing an already initialized spawn attributes object may cause
memory to be leaked.
function destroys a spawn attributes object.
attributes object can be reinitialized using
The object should not be used after it has been destroyed.
A spawn attributes object is of type
.In spawn.h )
and is used to specify the inheritance of process attributes across a
The resulting spawn attributes object (possibly modified by setting
individual attribute values), is used to modify the behavior of
After a spawn attributes object has been used to spawn a process by a
call to a
any function affecting the attributes object (including destruction)
will not affect any process that has been spawned in this way.