#include <fcntl.h>
#include <stdlib.h>
-#include <unistd.h>
#include <string.h>
#include <sys/prctl.h>
+#include <unistd.h>
+#include "copy.h"
+#include "fd-util.h"
+#include "locale-util.h"
+#include "macro.h"
#include "pager.h"
-#include "util.h"
#include "process-util.h"
-#include "macro.h"
-#include "terminal-util.h"
#include "signal-util.h"
-#include "copy.h"
+#include "string-util.h"
+#include "terminal-util.h"
+#include "util.h"
static pid_t pager_pid = 0;