Sometimes when your program detects an unusual situation inside a deeply nested set of function calls, you would like to be able to immediately return to an outer level of control. This section describes how you can do such non-local exits using the setjmp and longjmp functions.
| Intro | When and how to use these facilities. |
| Details | Functions for nonlocal exits. |
| Non-Local Exits and Signals | Portability issues. |