type jmp_buf
#ifndef ISO
type sigjmp_buf
#endif

function void longjmp (jmp_buf, int)
#ifndef ISO
function void siglongjmp (sigjmp_buf, int)
# if !defined POSIX && !defined POSIX2008
function void _longjmp (jmp_buf, int)
# endif
#endif

macro-function int setjmp (jmp_buf)
#ifndef ISO
macro-function int sigsetjmp (sigjmp_buf, int)
# if !defined POSIX && !defined POSIX2008
macro-function int _setjmp (jmp_buf)
# endif
#endif

allow *_t