--- /dev/null
+#ifndef __LUNAIX_SYS_LUNAIX_H
+#define __LUNAIX_SYS_LUNAIX_H
+
+#include <lunaix/types.h>
+
+void
+yield();
+
+pid_t
+wait(int* status);
+
+pid_t
+waitpid(pid_t pid, int* status, int flags);
+
+void
+syslog(int level, const char* fmt, ...);
+
+int
+realpathat(int fd, char* buf, size_t size);
+
+#endif /* __LUNAIX_LUNAIX_H */