setjmp

#include <setjmp.h>
#include <stdio.h> jmp_buf j; void raise_exception(void) { printf("exception raised\n"); longjmp(j, 3); /* jump to exception handler case 3 */ printf("this line should never appear\n"); } int main(void) { switch (setjmp(j)) { case 0: printf("''setjmp'' is initializing ''j''\n"); raise_exception(); printf("this line should never appear\n"); case 1: printf("Case 1\n");break; case 2: printf("Case 2\n");break; case 3: printf("Case 3\n");break; default: break; } return 0; }