_NAME_
get_stop_times_of_structs

_PROTOTYPE_
stopTimes = get_stop_times_of_structs(structs)

_SHORT-DESCRIPTION_
Get the stop times of a set of CRIS/SIS level1 data structs.

_DESCRIPTION_
get_stop_times_of_structs extracts the stop time stamps from a
set of data structs. If there is no stop time stamp field in the
struct, the start time + period - 1 is returned as the stop time. 

_INPUT_
* structs is an array of CRIS/SIS level1 data structs.

_OUTPUT_
* The stop time stamps associated with the structures,
* or (start time + period - 1) if the struct type has no stop time stamp.