extern "C" {
#endif
+#include <features.h>
+
#include <signal.h>
#define __NEED_pid_t
#define P_PID 1
#define P_PGID 2
-#ifndef WEXITSTATUS
#define WEXITSTATUS(s) (((s) & 0xff00) >> 8)
#define WTERMSIG(s) ((s) & 0x7f)
#define WSTOPSIG(s) WEXITSTATUS(s)
#define WIFSTOPPED(s) (((s) & 0xff) == 0x7f)
#define WIFSIGNALED(s) (((signed char) (((s) & 0x7f) + 1) >> 1) > 0)
#define WIFCONTINUED(s) ((s) == 0xffff)
-#endif
#ifdef __cplusplus
}