#include <unistd.h>
#include <stdio.h>
#include <ctype.h>
+#ifndef NDEBUG
+ /* See etc/gen-ctype-checked.c. */
+# include <sbr/ctype-checked.h>
+#endif
+#include <assert.h>
#include <sys/stat.h>
+#include <sys/wait.h>
# include <dirent.h>
#define NLENGTH(dirent) strlen((dirent)->d_name)
# include <sys/param.h>
#endif
-# include <locale.h>
-# include <limits.h>
+#include <locale.h>
+#include <limits.h>
+#include <errno.h>
/*
* we should be getting this value from pathconf(_PC_PATH_MAX)
*/
#define DEFAULT_PAGER "more"
+#define DEFAULT_EDITOR "vi"
#include <signal.h>