libc: Purge unneeded cdefs.h

These sys/cdefs.h are not needed. Purge them. They are mostly left-over
from the $FreeBSD$ removal. A few in libc are still required for macros
that cdefs.h defines. Keep those.

Sponsored by:		Netflix
Differential Revision:	https://reviews.freebsd.org/D42385

(cherry picked from commit 559a218c9b)

lib/libc/aarch64/gen/flt_rounds.c

@@ -24,7 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <fenv.h>

lib/libc/aarch64/gen/fpgetmask.c

@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <ieeefp.h>
 

lib/libc/aarch64/gen/fpsetmask.c

@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <ieeefp.h>
 

lib/libc/aarch64/gen/infinity.c

@@ -2,7 +2,6 @@
  * infinity.c
  */
 
-#include <sys/cdefs.h>
 #include <math.h>
 
 /* bytes for +Infinity on aarch64 */

lib/libc/aarch64/gen/makecontext.c

@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 
 #include <machine/armreg.h>

lib/libc/aarch64/sys/__vdso_gettc.c

@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <sys/elf.h>
 #include <sys/time.h>

lib/libc/amd64/gen/flt_rounds.c

@@ -3,7 +3,6 @@
  * Public domain.
  */
 
-#include <sys/cdefs.h>
 #include <float.h>
 
 static const int map[] = {

lib/libc/amd64/gen/infinity.c

@@ -2,7 +2,6 @@
  * infinity.c
  */
 
-#include <sys/cdefs.h>
 #include <math.h>
 
 /* bytes for +Infinity on a 387 */

lib/libc/amd64/gen/makecontext.c

@@ -26,7 +26,6 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <sys/ucontext.h>
 #include <stdarg.h>

lib/libc/amd64/gen/signalcontext.c

@@ -26,7 +26,6 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <sys/ucontext.h>
 #include <signal.h>

lib/libc/amd64/string/bcopy.c

@@ -2,7 +2,6 @@
  * Public domain.
  */
 
-#include <sys/cdefs.h>
 #include <string.h>
 
 void

lib/libc/amd64/string/bzero.c

@@ -2,7 +2,6 @@
  * Public domain.
  */
 
-#include <sys/cdefs.h>
 #include <string.h>
 
 void

lib/libc/amd64/string/strcpy.c

@@ -27,7 +27,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 char *__stpcpy(char * __restrict, const char * __restrict);
 
 char *

lib/libc/amd64/string/strnlen.c

@@ -26,7 +26,6 @@
  * SUCH DAMAGE
  */
 
-#include <sys/cdefs.h>
 #include <string.h>
 
 char *__memchr(const void *, int, size_t);

lib/libc/amd64/sys/amd64_get_fsbase.c

@@ -30,7 +30,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #define _WANT_P_OSREL
 #include <sys/param.h>
 #include <machine/cpufunc.h>

lib/libc/amd64/sys/amd64_get_gsbase.c

@@ -30,7 +30,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #define _WANT_P_OSREL
 #include <sys/param.h>
 #include <machine/cpufunc.h>

lib/libc/amd64/sys/amd64_set_fsbase.c

@@ -30,7 +30,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #define _WANT_P_OSREL
 #include <sys/param.h>
 #include <machine/cpufunc.h>

lib/libc/amd64/sys/amd64_set_gsbase.c

@@ -30,7 +30,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #define _WANT_P_OSREL
 #include <sys/param.h>
 #include <machine/cpufunc.h>

lib/libc/arm/aeabi/aeabi_atexit.c

@@ -27,7 +27,6 @@
  *
  */
 
-#include <sys/cdefs.h>
 int __cxa_atexit(void (*)(void *), void *, void *);
 
 int

lib/libc/arm/aeabi/aeabi_double.c

@@ -27,7 +27,6 @@
  *
  */
 
-#include <sys/cdefs.h>
 #include "softfloat-for-gcc.h"
 #include "milieu.h"
 #include "softfloat.h"

lib/libc/arm/aeabi/aeabi_float.c

@@ -27,7 +27,6 @@
  *
  */
 
-#include <sys/cdefs.h>
 #include "softfloat-for-gcc.h"
 #include "milieu.h"
 #include "softfloat.h"

lib/libc/arm/aeabi/aeabi_unwind_cpp.c

@@ -34,7 +34,6 @@
  * check this.
  */
 
-#include <sys/cdefs.h>
 #include <stdlib.h>
 
 void __aeabi_unwind_cpp_pr0(void) __hidden;

lib/libc/arm/aeabi/aeabi_unwind_exidx.c

@@ -24,7 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <machine/elf.h>
 #include <link.h>

lib/libc/arm/gen/arm_drain_writebuf.c

@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <machine/sysarch.h>
 #include <stddef.h>
 

lib/libc/arm/gen/arm_initfini.c

@@ -33,7 +33,6 @@
  * $NetBSD: arm_initfini.c,v 1.2 2013/01/31 06:47:55 matt Exp $
  */
 
-#include <sys/cdefs.h>
 /*
  * To properly implement setjmp/longjmp for the ARM AAPCS ABI, it has to be
  * aware of whether there is a FPU is present or not.  Regardless of whether

lib/libc/arm/gen/arm_sync_icache.c

@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <machine/sysarch.h>
 #include <stddef.h>

lib/libc/arm/gen/fabs.c

@@ -36,7 +36,6 @@
 /*
  * fabs(x) returns the absolute value of x.
  */
-#include <sys/cdefs.h>
 double
 fabs(double x)
 {

lib/libc/arm/gen/flt_rounds.c

@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <fenv.h>
 #include <float.h>
 

lib/libc/arm/gen/fpgetmask_vfp.c

@@ -25,7 +25,6 @@
  *
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <ieeefp.h>
 

lib/libc/arm/gen/fpgetround_vfp.c

@@ -25,7 +25,6 @@
  *
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <ieeefp.h>
 

lib/libc/arm/gen/fpgetsticky_vfp.c

@@ -25,7 +25,6 @@
  *
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <ieeefp.h>
 

lib/libc/arm/gen/fpsetmask_vfp.c

@@ -25,7 +25,6 @@
  *
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <ieeefp.h>
 

lib/libc/arm/gen/fpsetround_vfp.c

@@ -25,7 +25,6 @@
  *
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <ieeefp.h>
 

lib/libc/arm/gen/fpsetsticky_vfp.c

@@ -25,7 +25,6 @@
  *
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <ieeefp.h>
 

lib/libc/arm/gen/getcontextx.c

@@ -26,7 +26,6 @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <sys/ucontext.h>
 #include <errno.h>

lib/libc/arm/gen/infinity.c

@@ -2,7 +2,6 @@
  * infinity.c
  */
 
-#include <sys/cdefs.h>
 #include <math.h>
 
 /* bytes for +Infinity on a 387 */

lib/libc/arm/gen/makecontext.c

@@ -31,7 +31,6 @@
  * POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <stdlib.h>
 #include <stddef.h>
 #include <inttypes.h>

lib/libc/arm/gen/signalcontext.c

@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/signal.h>
 #include <sys/ucontext.h>

lib/libc/arm/sys/__vdso_gettc.c

@@ -28,7 +28,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <sys/elf.h>
 #include <sys/time.h>

lib/libc/compat-43/creat.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)creat.c	8.1 (Berkeley) 6/2/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include "namespace.h"
 #include <fcntl.h>
 #include "un-namespace.h"

lib/libc/compat-43/gethostid.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)gethostid.c	8.1 (Berkeley) 6/2/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/sysctl.h>
 

lib/libc/compat-43/getwd.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)getwd.c	8.1 (Berkeley) 6/2/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <unistd.h>
 #include <errno.h>

lib/libc/compat-43/killpg.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)killpg.c	8.1 (Berkeley) 6/2/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <signal.h>
 #include <errno.h>

lib/libc/compat-43/sethostid.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)sethostid.c	8.1 (Berkeley) 6/2/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/sysctl.h>
 

lib/libc/compat-43/setpgrp.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)setpgrp.c	8.1 (Berkeley) 6/2/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <unistd.h>
 

lib/libc/compat-43/setrgid.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)setrgid.c	8.1 (Berkeley) 6/2/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <unistd.h>
 
 int

lib/libc/compat-43/setruid.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)setruid.c	8.1 (Berkeley) 6/2/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <unistd.h>
 
 int

lib/libc/compat-43/sigcompat.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)sigcompat.c	8.1 (Berkeley) 6/2/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include "namespace.h"
 #include <sys/param.h>
 #include <errno.h>

lib/libc/csu/aarch64/reloc.c

@@ -24,7 +24,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 static void
 crt1_handle_rela(const Elf_Rela *r)
 {

lib/libc/csu/amd64/reloc.c

@@ -23,7 +23,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <machine/specialreg.h>
 #include <machine/cpufunc.h>
 

lib/libc/csu/i386/reloc.c

@@ -23,7 +23,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <machine/specialreg.h>
 #include <machine/cpufunc.h>
 

lib/libc/csu/powerpc64/reloc.c

@@ -20,7 +20,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 static uint32_t cpu_features;
 static uint32_t cpu_features2;
 

lib/libc/db/btree/bt_close.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)bt_close.c	8.7 (Berkeley) 8/17/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include "namespace.h"
 #include <sys/param.h>
 

lib/libc/db/btree/bt_conv.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)bt_conv.c	8.5 (Berkeley) 8/17/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/param.h>
 
 #include <stdio.h>

lib/libc/db/btree/bt_debug.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)bt_debug.c	8.5 (Berkeley) 8/17/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/param.h>
 
 #include <stdio.h>

lib/libc/db/btree/bt_delete.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)bt_delete.c	8.13 (Berkeley) 7/28/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <errno.h>

lib/libc/db/btree/bt_get.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)bt_get.c	8.6 (Berkeley) 7/20/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <errno.h>

lib/libc/db/btree/bt_open.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)bt_open.c	8.10 (Berkeley) 8/17/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 /*
  * Implementation of btree access method for 4.4BSD.
  *

lib/libc/db/btree/bt_overflow.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)bt_overflow.c	8.5 (Berkeley) 7/16/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/param.h>
 
 #include <stdio.h>

lib/libc/db/btree/bt_page.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)bt_page.c	8.3 (Berkeley) 7/14/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <stdio.h>

lib/libc/db/btree/bt_put.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)bt_put.c	8.8 (Berkeley) 7/26/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <errno.h>

lib/libc/db/btree/bt_search.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)bt_search.c	8.8 (Berkeley) 7/31/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <stdio.h>

lib/libc/db/btree/bt_seq.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)bt_seq.c	8.7 (Berkeley) 7/20/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <errno.h>

lib/libc/db/btree/bt_split.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)bt_split.c	8.10 (Berkeley) 1/9/95";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/param.h>
 
 #include <limits.h>

lib/libc/db/btree/bt_utils.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)bt_utils.c	8.8 (Berkeley) 7/20/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/param.h>
 
 #include <stdio.h>

lib/libc/db/db/db.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)db.c	8.4 (Berkeley) 2/21/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <errno.h>

lib/libc/db/hash/hash.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)hash.c	8.9 (Berkeley) 6/16/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include "namespace.h"
 #include <sys/param.h>
 #include <sys/stat.h>

lib/libc/db/hash/hash_bigkey.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)hash_bigkey.c	8.3 (Berkeley) 5/31/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 /*
  * PACKAGE: hash
  * DESCRIPTION:

lib/libc/db/hash/hash_buf.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)hash_buf.c	8.5 (Berkeley) 7/15/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 /*
  * PACKAGE: hash
  *

lib/libc/db/hash/hash_func.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)hash_func.c	8.2 (Berkeley) 2/21/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <db.h>

lib/libc/db/hash/hash_log2.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)hash_log2.c	8.2 (Berkeley) 5/31/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <db.h>
 #include "hash.h"
 #include "page.h"

lib/libc/db/hash/hash_page.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)hash_page.c	8.7 (Berkeley) 8/16/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 /*
  * PACKAGE:  hashing
  *

lib/libc/db/hash/ndbm.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)ndbm.c	8.4 (Berkeley) 7/21/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 /*
  * This package provides a dbm compatible interface to the new hashing
  * package described in db(3).

lib/libc/db/mpool/mpool-compat.c

@@ -26,7 +26,6 @@
  *
  */
 
-#include <sys/cdefs.h>
 #include <db.h>
 #include <mpool.h>
 

lib/libc/db/mpool/mpool.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)mpool.c	8.7 (Berkeley) 11/2/95";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include "namespace.h"
 #include <sys/param.h>
 #include <sys/queue.h>

lib/libc/db/recno/rec_close.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)rec_close.c	8.6 (Berkeley) 8/18/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include "namespace.h"
 #include <sys/types.h>
 #include <sys/uio.h>

lib/libc/db/recno/rec_delete.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)rec_delete.c	8.7 (Berkeley) 7/14/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <errno.h>

lib/libc/db/recno/rec_get.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)rec_get.c	8.9 (Berkeley) 8/18/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <errno.h>

lib/libc/db/recno/rec_open.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)rec_open.c	8.10 (Berkeley) 9/1/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include "namespace.h"
 #include <sys/types.h>
 #include <sys/mman.h>

lib/libc/db/recno/rec_put.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)rec_put.c	8.7 (Berkeley) 8/18/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <errno.h>

lib/libc/db/recno/rec_search.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)rec_search.c	8.4 (Berkeley) 7/14/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 
 #include <errno.h>

lib/libc/db/recno/rec_utils.c

@@ -32,7 +32,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)rec_utils.c	8.6 (Berkeley) 7/16/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/param.h>
 
 #include <stdio.h>

lib/libc/db/test/btree.tests/main.c

@@ -35,7 +35,6 @@
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)main.c	8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <fcntl.h>
 #include <db.h>

lib/libc/db/test/dbtest.c

@@ -38,7 +38,6 @@ static char copyright[] =
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)dbtest.c	8.17 (Berkeley) 9/1/94";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/stat.h>
 

lib/libc/db/test/hash.tests/driver2.c

@@ -41,7 +41,6 @@ static char copyright[] =
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)driver2.c	8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 /*
  * Test driver, to try to tackle the large ugly-split problem.
  */

lib/libc/db/test/hash.tests/tcreat3.c

@@ -41,7 +41,6 @@ static char copyright[] =
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)tcreat3.c	8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <sys/file.h>
 #include <stdio.h>

lib/libc/db/test/hash.tests/tdel.c

@@ -41,7 +41,6 @@ static char copyright[] =
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)tdel.c	8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <sys/file.h>
 #include <db.h>

lib/libc/db/test/hash.tests/thash4.c

@@ -41,7 +41,6 @@ static char copyright[] =
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)thash4.c	8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <sys/file.h>
 #include <sys/timeb.h>

lib/libc/db/test/hash.tests/tread2.c

@@ -41,7 +41,6 @@ static char copyright[] =
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)tread2.c	8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <sys/file.h>
 #include <stdio.h>

lib/libc/db/test/hash.tests/tseq.c

@@ -41,7 +41,6 @@ static char copyright[] =
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)tseq.c	8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <sys/file.h>
 #include <stdio.h>

lib/libc/db/test/hash.tests/tverify.c

@@ -41,7 +41,6 @@ static char copyright[] =
 #if defined(LIBC_SCCS) && !defined(lint)
 static char sccsid[] = "@(#)tverify.c	8.1 (Berkeley) 6/4/93";
 #endif /* LIBC_SCCS and not lint */
-#include <sys/cdefs.h>
 #include <sys/types.h>
 #include <sys/file.h>
 #include <stdio.h>

lib/libc/gdtoa/_hdtoa.c

@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <float.h>
 #include <limits.h>
 #include <math.h>

lib/libc/gdtoa/_hldtoa.c

@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <float.h>
 #include <limits.h>
 #include <math.h>

lib/libc/gdtoa/_ldtoa.c

@@ -26,7 +26,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <float.h>
 #include <inttypes.h>
 #include <limits.h>

lib/libc/gdtoa/machdep_ldisQ.c

@@ -37,7 +37,6 @@
  * uses quad precision, such as aarch64 or riscv.
  */
 
-#include <sys/cdefs.h>
 #include <float.h>
 
 #include "gdtoaimp.h"

lib/libc/gdtoa/machdep_ldisd.c

@@ -37,7 +37,6 @@
  * is the same as a double, such as the Alpha.
  */
 
-#include <sys/cdefs.h>
 #include "gdtoaimp.h"
 #undef strtold_l
 

lib/libc/gdtoa/machdep_ldisx.c

@@ -37,7 +37,6 @@
  * is an IEEE extended precision number.
  */
 
-#include <sys/cdefs.h>
 #include <float.h>
 
 #include "gdtoaimp.h"

lib/libc/gen/__getosreldate.c

@@ -25,7 +25,6 @@
  * SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/sysctl.h>
 #include <errno.h>

lib/libc/gen/__pthread_mutex_init_calloc_cb_stub.c

@@ -29,7 +29,6 @@
  * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/cdefs.h>
 #include <pthread.h>
 #include "libc_private.h"
 

lib/libc/gen/__xuname.c

@@ -31,7 +31,6 @@
  * From: @(#)uname.c	8.1 (Berkeley) 1/4/94
  */
 
-#include <sys/cdefs.h>
 #include <sys/param.h>
 #include <sys/sysctl.h>
 #include <sys/utsname.h>