--- /dev/null
+#include <lunaix/syscall.h>
+#include <usr/sys/lunaix.h>
+
+__LXSYSCALL(void, yield);
+
+__LXSYSCALL1(pid_t, wait, int*, status);
+
+__LXSYSCALL3(pid_t, waitpid, pid_t, pid, int*, status, int, options);
+
+__LXSYSCALL2_VARG(void, syslog, int, level, const char*, fmt);
+
+__LXSYSCALL3(int, realpathat, int, fd, char*, buf, size_t, size)