diff --git a/include/stdlib/sys/_timespec.h b/include/stdlib/sys/_timespec.h
new file mode 100644
index 0000000..d51559c
--- /dev/null
+++ b/include/stdlib/sys/_timespec.h
@@ -0,0 +1,49 @@
+/*-
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)time.h	8.5 (Berkeley) 5/4/95
+ * from: FreeBSD: src/sys/sys/time.h,v 1.43 2000/03/20 14:09:05 phk Exp
+ *	$FreeBSD$
+ */
+
+#ifndef _SYS__TIMESPEC_H_
+#define	_SYS__TIMESPEC_H_
+
+#include <sys/_types.h>
+
+#ifndef _TIME_T_DECLARED
+typedef	__time_t	time_t;
+#define	_TIME_T_DECLARED
+#endif
+
+struct timespec {
+	time_t	tv_sec;		/* seconds */
+	long	tv_nsec;	/* and nanoseconds */
+};
+
+#endif /* !_SYS__TIMESPEC_H_ */
diff --git a/include/stdlib/sys/timespec.h b/include/stdlib/sys/timespec.h
new file mode 100644
index 0000000..2505cef
--- /dev/null
+++ b/include/stdlib/sys/timespec.h
@@ -0,0 +1,63 @@
+/*-
+ * Copyright (c) 1982, 1986, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)time.h	8.5 (Berkeley) 5/4/95
+ * from: FreeBSD: src/sys/sys/time.h,v 1.43 2000/03/20 14:09:05 phk Exp
+ *	$FreeBSD$
+ */
+
+#ifndef _SYS_TIMESPEC_H_
+#define _SYS_TIMESPEC_H_
+
+#include <sys/cdefs.h>
+#include <sys/_timespec.h>
+
+#if __BSD_VISIBLE
+#define	TIMEVAL_TO_TIMESPEC(tv, ts)					\
+	do {								\
+		(ts)->tv_sec = (tv)->tv_sec;				\
+		(ts)->tv_nsec = (tv)->tv_usec * 1000;			\
+	} while (0)
+#define	TIMESPEC_TO_TIMEVAL(tv, ts)					\
+	do {								\
+		(tv)->tv_sec = (ts)->tv_sec;				\
+		(tv)->tv_usec = (ts)->tv_nsec / 1000;			\
+	} while (0)
+
+#endif /* __BSD_VISIBLE */
+
+/*
+ * Structure defined by POSIX.1b to be like a itimerval, but with
+ * timespecs. Used in the timer_*() system calls.
+ */
+struct itimerspec {
+	struct timespec  it_interval;
+	struct timespec  it_value;
+};
+
+#endif /* _SYS_TIMESPEC_H_ */
diff --git a/include/stdlib/sys/types.h b/include/stdlib/sys/types.h
new file mode 100644
index 0000000..ae2ea33
--- /dev/null
+++ b/include/stdlib/sys/types.h
@@ -0,0 +1,245 @@
+/*-
+ * Copyright (c) 1982, 1986, 1991, 1993, 1994
+ *	The Regents of the University of California.  All rights reserved.
+ * (c) UNIX System Laboratories, Inc.
+ * All or some portions of this file are derived from material licensed
+ * to the University of California by American Telephone and Telegraph
+ * Co. or Unix System Laboratories, Inc. and are reproduced herein with
+ * the permission of UNIX System Laboratories, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ *	@(#)types.h	8.6 (Berkeley) 2/19/95
+ * $FreeBSD$
+ */
+
+#ifndef _SYS_TYPES_H_
+#define	_SYS_TYPES_H_
+
+#include <sys/cdefs.h>
+
+/* Machine type dependent parameters. */
+#include <sys/_types.h>
+
+#if __BSD_VISIBLE
+typedef	unsigned char	u_char;
+typedef	unsigned short	u_short;
+typedef	unsigned int	u_int;
+typedef	unsigned long	u_long;
+#ifndef _KERNEL
+typedef	unsigned short	ushort;		/* Sys V compatibility */
+typedef	unsigned int	uint;		/* Sys V compatibility */
+#endif
+#endif
+
+/*
+ * XXX POSIX sized integrals that should appear only in <sys/stdint.h>.
+ */
+#include <sys/_stdint.h>
+
+typedef __uint8_t	u_int8_t;	/* unsigned integrals (deprecated) */
+typedef __uint16_t	u_int16_t;
+typedef __uint32_t	u_int32_t;
+typedef __uint64_t	u_int64_t;
+
+typedef	__uint64_t	u_quad_t;	/* quads (deprecated) */
+typedef	__int64_t	quad_t;
+typedef	quad_t		*qaddr_t;
+
+typedef	char		*caddr_t;	/* core address */
+typedef	const char	*c_caddr_t;	/* core address, pointer to const */
+
+#ifndef _BLKSIZE_T_DECLARED
+typedef	__blksize_t	blksize_t;
+#define	_BLKSIZE_T_DECLARED
+#endif
+
+typedef	__cpuwhich_t	cpuwhich_t;
+typedef	__cpulevel_t	cpulevel_t;
+typedef	__cpusetid_t	cpusetid_t;
+
+#ifndef _BLKCNT_T_DECLARED
+typedef	__blkcnt_t	blkcnt_t;
+#define	_BLKCNT_T_DECLARED
+#endif
+
+#ifndef _CLOCK_T_DECLARED
+typedef	__clock_t	clock_t;
+#define	_CLOCK_T_DECLARED
+#endif
+
+#ifndef _CLOCKID_T_DECLARED
+typedef	__clockid_t	clockid_t;
+#define	_CLOCKID_T_DECLARED
+#endif
+
+typedef	__critical_t	critical_t;	/* Critical section value */
+typedef	__int64_t	daddr_t;	/* disk address */
+
+#ifndef _DEV_T_DECLARED
+typedef	__dev_t		dev_t;		/* device number or struct cdev */
+#define	_DEV_T_DECLARED
+#endif
+
+#ifndef _FFLAGS_T_DECLARED
+typedef	__fflags_t	fflags_t;	/* file flags */
+#define	_FFLAGS_T_DECLARED
+#endif
+
+typedef	__fixpt_t	fixpt_t;	/* fixed point number */
+
+#ifndef _FSBLKCNT_T_DECLARED		/* for statvfs() */
+typedef	__fsblkcnt_t	fsblkcnt_t;
+typedef	__fsfilcnt_t	fsfilcnt_t;
+#define	_FSBLKCNT_T_DECLARED
+#endif
+
+#ifndef _GID_T_DECLARED
+typedef	__gid_t		gid_t;		/* group id */
+#define	_GID_T_DECLARED
+#endif
+
+#ifndef _IN_ADDR_T_DECLARED
+typedef	__uint32_t	in_addr_t;	/* base type for internet address */
+#define	_IN_ADDR_T_DECLARED
+#endif
+
+#ifndef _IN_PORT_T_DECLARED
+typedef	__uint16_t	in_port_t;
+#define	_IN_PORT_T_DECLARED
+#endif
+
+#ifndef _ID_T_DECLARED
+typedef	__id_t		id_t;		/* can hold a uid_t or pid_t */
+#define	_ID_T_DECLARED
+#endif
+
+#ifndef _INO_T_DECLARED
+typedef	__ino_t		ino_t;		/* inode number */
+#define	_INO_T_DECLARED
+#endif
+
+#ifndef _KEY_T_DECLARED
+typedef	__key_t		key_t;		/* IPC key (for Sys V IPC) */
+#define	_KEY_T_DECLARED
+#endif
+
+#ifndef _LWPID_T_DECLARED
+typedef	__lwpid_t	lwpid_t;	/* Thread ID (a.k.a. LWP) */
+#define	_LWPID_T_DECLARED
+#endif
+
+#ifndef _MODE_T_DECLARED
+typedef	__mode_t	mode_t;		/* permissions */
+#define	_MODE_T_DECLARED
+#endif
+
+#ifndef _ACCMODE_T_DECLARED
+typedef	__accmode_t	accmode_t;	/* access permissions */
+#define	_ACCMODE_T_DECLARED
+#endif
+
+#ifndef _NLINK_T_DECLARED
+typedef	__nlink_t	nlink_t;	/* link count */
+#define	_NLINK_T_DECLARED
+#endif
+
+#ifndef _OFF_T_DECLARED
+typedef	__off_t		off_t;		/* file offset */
+#define	_OFF_T_DECLARED
+#endif
+
+#ifndef _PID_T_DECLARED
+typedef	__pid_t		pid_t;		/* process id */
+#define	_PID_T_DECLARED
+#endif
+
+typedef	__register_t	register_t;
+
+#ifndef _RLIM_T_DECLARED
+typedef	__rlim_t	rlim_t;		/* resource limit */
+#define	_RLIM_T_DECLARED
+#endif
+
+typedef	__int64_t	sbintime_t;
+
+typedef	__segsz_t	segsz_t;	/* segment size (in pages) */
+
+#ifndef _SIZE_T_DECLARED
+typedef	__size_t	size_t;
+#define	_SIZE_T_DECLARED
+#endif
+
+#ifndef _SSIZE_T_DECLARED
+typedef	__ssize_t	ssize_t;
+#define	_SSIZE_T_DECLARED
+#endif
+
+#ifndef _SUSECONDS_T_DECLARED
+typedef	__suseconds_t	suseconds_t;	/* microseconds (signed) */
+#define	_SUSECONDS_T_DECLARED
+#endif
+
+#ifndef _TIME_T_DECLARED
+typedef	__time_t	time_t;
+#define	_TIME_T_DECLARED
+#endif
+
+#ifndef _TIMER_T_DECLARED
+typedef	__timer_t	timer_t;
+#define	_TIMER_T_DECLARED
+#endif
+
+#ifndef _MQD_T_DECLARED
+typedef	__mqd_t	mqd_t;
+#define	_MQD_T_DECLARED
+#endif
+
+typedef	__u_register_t	u_register_t;
+
+#ifndef _UID_T_DECLARED
+typedef	__uid_t		uid_t;		/* user id */
+#define	_UID_T_DECLARED
+#endif
+
+#ifndef _USECONDS_T_DECLARED
+typedef	__useconds_t	useconds_t;	/* microseconds (unsigned) */
+#define	_USECONDS_T_DECLARED
+#endif
+
+#ifndef _CAP_RIGHTS_T_DECLARED
+#define	_CAP_RIGHTS_T_DECLARED
+struct cap_rights;
+
+typedef	struct cap_rights	cap_rights_t;
+#endif
+
+typedef	__vm_offset_t	vm_offset_t;
+typedef	__vm_ooffset_t	vm_ooffset_t;
+typedef	__vm_paddr_t	vm_paddr_t;
+typedef	__vm_pindex_t	vm_pindex_t;
+typedef	__vm_size_t	vm_size_t;
+
+#endif /* !_SYS_TYPES_H_ */