Update function headers to clarify the contract of each function and
improve readability. Add NULL checks to all functions that take a
pointer as an argument. Add return status to functions that
may need to return early due to invalid input.
Cc: Jian J Wang
Cc: Liming Gao
Cc: Dandan Bi
From: Taylor Beebe
Update function headers to clarify the contract of each function and
improve readability. Add NULL checks to all functions that take a
pointer as an argument. Add return status to functions that
may need to return early due to invalid input.
Cc: Jian J Wang
Cc: Liming Gao
