extern "C" {
#endif
+#include <features.h>
+
#define __NEED_pid_t
#include <bits/alltypes.h>
pid_t tcgetsid (int);
-#ifdef _GNU_SOURCE
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
void cfmakeraw(struct termios *);
int cfsetspeed(struct termios *, speed_t);
#endif