|| defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
|| defined(_BSD_SOURCE)
typedef unsigned long sigjmp_buf[(128+sizeof(jmp_buf))/sizeof(long)];
-#ifdef _GNU_SOURCE
-#define jmp_buf sigjmp_buf
-#endif
int sigsetjmp (sigjmp_buf, int);
void siglongjmp (sigjmp_buf, int);
#endif