sentences:  This variable could be elaborated into a structure incorporating the buffer itself.In a more modern-looking example, the usual "try" block would be implemented as a setjmp (with some preparation code for multilevel jumps, as seen in ), the "throw" as longjmp with the optional parameter as the exception, and the "catch" as the "else" block under "try".static void first();
  static void second();
  
  /* Use a file scoped static variable for the exception stack so we can access
  static jmp_buf exception_env;
  static int exception_type;
  
  int main(void) {
  
  static void first() {
  
  static void second() {
  
  This program's output is