int evs_context_set(evs_handle_t handle, void *context);
DESCRIPTION
The
evs_context_set
function is used to set the context variable for a evs instance. It has no
meaning insire libevs itself and will not be touched by the library. It can
be retrieved using
evs_context_get(3)
RETURN VALUE
This call returns the EVS_OK value if successful, otherwise an error is returned.