Which program is pickling and why? That seems like a very strange thing to do in this situation. The only time to pickle something is if you need to represent a non-string object on disk, but Python ...
The reason some of those functions work with numbers and some with names is because stdout, stdin, and stderr are macros for the FILE* type that printf() and friends take. dup2 expects a straight ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results