Add explicit include of unistd.h for getopt(3) and related variables.

lib/eventlog/regress/logwrap/check_wrap.c

@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
+#include <unistd.h>
 
 #define SUDO_ERROR_WRAP 0
 

lib/util/regress/closefrom/closefrom_test.c

@@ -23,6 +23,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #define SUDO_ERROR_WRAP 0
 

lib/util/regress/fnmatch/fnm_test.c

@@ -9,6 +9,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 #ifdef HAVE_FNMATCH
 # include <fnmatch.h>
 #else

lib/util/regress/getgrouplist/getgrouplist_test.c

@@ -28,6 +28,7 @@
 #endif
 #include <pwd.h>
 #include <grp.h>
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "sudo_fatal.h"

lib/util/regress/glob/globtest.c

@@ -15,6 +15,7 @@
 # include "compat/glob.h"
 #endif
 #include <errno.h>
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "sudo_util.h"

lib/util/regress/parse_gids/parse_gids_test.c

@@ -21,6 +21,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "sudo_fatal.h"

lib/util/regress/progname/progname_test.c

@@ -21,6 +21,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "sudo_util.h"

lib/util/regress/strsig/strsig_test.c

@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include <signal.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "sudo_util.h"

lib/util/regress/strsplit/strsplit_test.c

@@ -21,6 +21,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "sudo_fatal.h"

lib/util/regress/strtofoo/strtobool_test.c

@@ -25,6 +25,7 @@
 #else
 # include "compat/stdbool.h"
 #endif
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "sudo_util.h"

lib/util/regress/strtofoo/strtoid_test.c

@@ -21,6 +21,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <errno.h>
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "sudo_util.h"

lib/util/regress/strtofoo/strtomode_test.c

@@ -20,6 +20,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "sudo_util.h"

lib/util/regress/strtofoo/strtonum_test.c

@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include <limits.h>
 #include <errno.h>
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "sudo_util.h"

lib/util/regress/sudo_conf/conf_test.c

@@ -21,6 +21,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "sudo_conf.h"

lib/util/regress/sudo_parseln/parseln_test.c

@@ -21,6 +21,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "sudo_util.h"

lib/util/regress/tailq/hltq_test.c

@@ -22,6 +22,7 @@
 #include <stdlib.h>
 #include <stddef.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "sudo_fatal.h"

lib/util/regress/uuid/uuid_test.c

@@ -25,6 +25,7 @@
 # include <inttypes.h>
 #endif
 #include <string.h>
+#include <unistd.h>
 
 #define SUDO_ERROR_WRAP 0
 

logsrvd/regress/logsrvd_conf/logsrvd_conf_test.c

@@ -28,6 +28,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 
 #include "sudo_compat.h"
 #include "sudo_util.h"

plugins/python/regress/check_python_examples.c

@@ -22,6 +22,7 @@
  */
 
 #include "testhelpers.h"
+#include <unistd.h>
 
 #include "sudo_dso.h"
 

src/exec_ptrace.c

@@ -38,6 +38,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
+#include <unistd.h>
 #if defined(HAVE_ENDIAN_H)
 # include <endian.h>
 #elif defined(HAVE_SYS_ENDIAN_H)