code base good enough to actually progress

sorting.h

@@ -1,11 +1,8 @@
 #include <curses.h>
-#include <string.h>
-#include <strings.h>
 #include <dirent.h>
-#include <stdlib.h>
-#include <unistd.h>
 #include "defines.h"
 #include "sorting.c"
 
-void sort_dir(unsigned long *file_count, unsigned long *longest_name, file_data *dir_content);
+void sort_dir(unsigned long *dir_length_width, char *dir_content);
+int skip_hidden_files(const struct dirent *entry);