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Re:A Defer Mechanism for C by coldtea on Tuesday December 15, 2020 @04:25AM (#25428518)
>You can't goto out of a function

You can with a goto expression and a label address available - though the behavior is undefined in C, so bets are off.

And you can with longjump/setjump more explicitly.

Re:A Defer Mechanism for C by josephcsible on Tuesday December 15, 2020 @08:48AM (#25430229)
Are you talking about this? https://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html It's a GNU extension, not part of standard C at all.