6 {void(*p)(jmp_buf,int) = longjmp;}
8 {int x = setjmp((jmp_buf){0});}
10 {int(*p)(jmp_buf) = setjmp;}
12 #ifdef _POSIX_C_SOURCE
14 {void(*p)(sigjmp_buf,int) = siglongjmp;}
16 {int x = sigsetjmp((sigjmp_buf){0}, 0);}
18 {int(*p)(sigjmp_buf,int) = sigsetjmp;}
21 #if defined _XOPEN_SOURCE && defined OBSOLETE
22 {void(*p)(jmp_buf,int) = _longjmp;}
24 {int x = _setjmp((jmp_buf){0});}
26 {int(*p)(jmp_buf) = _setjmp;}