#include <signal.h>
-/* Maximum size of a signal name returned by sig2str(), including the
- terminating NUL byte. */
-#ifndef SIG2STR_MAX
-/* The longest one: "RTMAX", then "+" or "-", then up to 10 digits, then NUL.
- Add + 2 as a reserve for the future. */
-# define SIG2STR_MAX (5 + 1 + 10 + 1 + 2)
-#endif
-
-#ifndef HAVE_SIG2STR
-int sig2str (int, char *);
-#endif
-#ifndef HAVE_STR2SIG
-int str2sig (char const *, int *);
-#endif
-
/* An upper bound on signal numbers allowed by the system. */
#if defined _sys_nsig