Tidy up some includes.

arguments.c

@@ -18,6 +18,7 @@
 
 #include <sys/types.h>
 
+#include <getopt.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>

client.c

@@ -26,6 +26,7 @@
 #include <errno.h>
 #include <event.h>
 #include <fcntl.h>
+#include <signal.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>

cmd-confirm-before.c

@@ -16,6 +16,8 @@
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <sys/types.h>
+
 #include <ctype.h>
 #include <stdlib.h>
 #include <string.h>

cmd-list-keys.c

@@ -165,7 +165,7 @@ enum cmd_retval
 cmd_list_keys_commands(unused struct cmd *self, struct cmd_q *cmdq)
 {
 	const struct cmd_entry	**entryp;
-	struct cmd_entry	 *entry;
+	const struct cmd_entry	 *entry;
 
 	for (entryp = cmd_table; *entryp != NULL; entryp++) {
 		entry = *entryp;

job.c

@@ -21,6 +21,7 @@
 
 #include <fcntl.h>
 #include <paths.h>
+#include <signal.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>

screen.c

@@ -31,12 +31,12 @@ void	screen_resize_y(struct screen *, u_int);
 void
 screen_init(struct screen *s, u_int sx, u_int sy, u_int hlimit)
 {
-	char hn[MAXHOSTNAMELEN];
+	char host[HOST_NAME_MAX];
 
 	s->grid = grid_create(sx, sy, hlimit);
 
-	if (gethostname(hn, MAXHOSTNAMELEN) == 0)
-		s->title = xstrdup(hn);
+	if (gethostname(host, HOST_NAME_MAX) == 0)
+		s->title = xstrdup(host);
 	else
 		s->title = xstrdup("");
 

server-fn.c

@@ -31,7 +31,7 @@ void		server_callback_identify(int, short, void *);
 void
 server_fill_environ(struct session *s, struct environ *env)
 {
-	char	var[MAXPATHLEN], *term;
+	char	var[PATH_MAX], *term;
 	u_int	idx;
 	long	pid;
 

signal.c

@@ -17,6 +17,8 @@
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <sys/types.h>
+
 #include <string.h>
 #include <signal.h>
 

style.c

@@ -17,6 +17,8 @@
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
+#include <sys/types.h>
+
 #include <string.h>
 
 #include "tmux.h"

tmux.c

@@ -22,6 +22,7 @@
 #include <errno.h>
 #include <event.h>
 #include <fcntl.h>
+#include <getopt.h>
 #include <locale.h>
 #include <paths.h>
 #include <pwd.h>
@@ -46,7 +47,7 @@ char		*cfg_file;
 char		*shell_cmd;
 int		 debug_level;
 time_t		 start_time;
-char		 socket_path[MAXPATHLEN];
+char		 socket_path[PATH_MAX];
 int		 login_shell;
 char		*environ_path;
 
@@ -124,7 +125,7 @@ areshell(const char *shell)
 char *
 makesocketpath(const char *label)
 {
-	char		base[MAXPATHLEN], realbase[MAXPATHLEN], *path, *s;
+	char		base[PATH_MAX], realbase[PATH_MAX], *path, *s;
 	struct stat	sb;
 	u_int		uid;
 
@@ -202,7 +203,7 @@ int
 main(int argc, char **argv)
 {
 	struct passwd	*pw;
-	char		*s, *path, *label, **var, tmp[MAXPATHLEN];
+	char		*s, *path, *label, **var, tmp[PATH_MAX];
 	char		 in[256];
 	const char	*home;
 	long long	 pid;

tmux.h

@@ -21,7 +21,6 @@
 
 #define PROTOCOL_VERSION 8
 
-#include <sys/param.h>
 #include <sys/time.h>
 #include <sys/queue.h>
 #include <sys/tree.h>
@@ -29,10 +28,8 @@
 
 #include <bitstring.h>
 #include <event.h>
-#include <getopt.h>
 #include <imsg.h>
 #include <limits.h>
-#include <signal.h>
 #include <stdarg.h>
 #include <stdint.h>
 #include <stdio.h>
@@ -1565,7 +1562,7 @@ extern char	*cfg_file;
 extern char	*shell_cmd;
 extern int	 debug_level;
 extern time_t	 start_time;
-extern char	 socket_path[MAXPATHLEN];
+extern char	 socket_path[PATH_MAX];
 extern int	 login_shell;
 extern char	*environ_path;
 void		 logfile(const char *);

xmalloc.c

@@ -16,10 +16,8 @@
  * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  */
 
-#include <sys/param.h>
+#include <sys/types.h>
 
-#include <errno.h>
-#include <libgen.h>
 #include <stdint.h>
 #include <stdlib.h>
 #include <string.h>