Include a couple of headers to ensure consistency between the prototype and

the function definition.

lib/libc/compat-43/gethostid.c

@@ -40,6 +40,8 @@ __FBSDID("$FreeBSD$");
 #include <sys/param.h>
 #include <sys/sysctl.h>
 
+#include <unistd.h>
+
 long
 gethostid(void)
 {

lib/libc/gen/daemon.c

@@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$");
 #include <errno.h>
 #include <fcntl.h>
 #include <paths.h>
+#include <stdlib.h>
 #include <signal.h>
 #include <unistd.h>
 #include "un-namespace.h"

lib/libc/gen/devname.c

@@ -43,6 +43,7 @@ __FBSDID("$FreeBSD$");
 #include <err.h>
 #include <fcntl.h>
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <sys/param.h>
 #include <sys/stat.h>

lib/libc/gen/gethostname.c

@@ -41,6 +41,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/sysctl.h>
 
 #include <errno.h>
+#include <unistd.h>
 
 int
 gethostname(name, namelen)

lib/libc/gen/getosreldate.c

@@ -40,6 +40,8 @@ __FBSDID("$FreeBSD$");
 #include <sys/param.h>
 #include <sys/sysctl.h>
 
+#include <osreldate.h>
+
 int
 getosreldate(void)
 {

lib/libc/gen/getpagesize.c

@@ -40,6 +40,8 @@ __FBSDID("$FreeBSD$");
 #include <sys/param.h>
 #include <sys/sysctl.h>
 
+#include <unistd.h>
+
 /*
  * This is unlikely to change over the running time of any
  * program, so we cache the result to save some syscalls.

lib/libc/gen/readdir.c

@@ -46,6 +46,7 @@ __FBSDID("$FreeBSD$");
 #include "un-namespace.h"
 
 #include "libc_private.h"
+#include "telldir.h"
 
 /*
  * get next entry in a directory.

lib/libc/gen/sethostname.c

@@ -40,6 +40,8 @@ __FBSDID("$FreeBSD$");
 #include <sys/param.h>
 #include <sys/sysctl.h>
 
+#include <unistd.h>
+
 int
 sethostname(const char *name, int namelen)
 {

lib/libc/gen/strtofflags.c

@@ -43,6 +43,7 @@ __FBSDID("$FreeBSD$");
 #include <stddef.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 static struct {
 	char *name;

lib/libc/i386/gen/_set_tp.c

@@ -30,6 +30,8 @@
 #include <stdint.h>
 #include <machine/sysarch.h>
 
+#include "libc_private.h"
+
 void
 _set_tp(void *tp)
 {

lib/libc/i386/gen/ldexp.c

@@ -40,6 +40,8 @@ static char sccsid[] = "@(#)ldexp.c	8.1 (Berkeley) 6/4/93";
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include <math.h>
+
 /*
  * ldexp(value, exp): return value * (2 ** exp).
  *

lib/libc/locale/runetype.c

@@ -37,6 +37,7 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include <ctype.h>
 #include <stdio.h>
 #include <runetype.h>
 

lib/libc/locale/tolower.c

@@ -37,6 +37,7 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include <ctype.h>
 #include <stdio.h>
 #include <runetype.h>
 

lib/libc/locale/toupper.c

@@ -37,6 +37,7 @@
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
 
+#include <ctype.h>
 #include <stdio.h>
 #include <runetype.h>
 

lib/libc/posix1e/extattr.c

@@ -34,6 +34,7 @@ __FBSDID("$FreeBSD$");
 #include <sys/extattr.h>
 
 #include <errno.h>
+#include <libutil.h>
 #include <string.h>
 
 int

lib/libc/stdlib/strfmon.c

@@ -33,6 +33,7 @@ __FBSDID("$FreeBSD$");
 #include <errno.h>
 #include <limits.h>
 #include <locale.h>
+#include <monetary.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>