catch in c

[Henrik Grubbstr�m (Lysator) @ Pike (-) developers forum]

>ONERROR handle;
>SET_ONERROR (handle, my_free_function, my_mem);
>/* do stuff which may throw */
>UNSET_ONERROR (handle);
>
>If you want my_free_function to be called even if nothing was thrown,
>use CALL_AND_UNSET_ONERROR instead.

That's probably the proper solution in this case, but it's not quite a
catch...

  JMP_BUF ctx;

  if (SETJMP(ctx)) {
    /* Something was thrown. */
  } else {
    /* Some code that might throw. */
  }
  UNSETJMP(ctx);