It's widespread practice to notate who owns what in the comments in C code. "Ownership" as a concept comes from well established C best practices and a good C d

It's widespread practice to notate who owns what in the comments in C code. "Ownership" as a concept comes from well established C best practices and a good C developer is going to understand exactly what you mean if you say something like "Caller owns the memory returned from this function" etc.