diff --git a/sorting.c b/sorting.c
index a5aabfb..b350b62 100644
--- a/sorting.c
+++ b/sorting.c
@@ -40,3 +40,9 @@ int sort_natural(const void *file0, const void *file1){
 		}
 	}
 }
+
+int sort_alpha(const void *file0, const void *file1){
+	char *file_name0 = ((file*)file0)->file_name;
+	char *file_name1 = ((file*)file1)->file_name;
+	return strcmp(file_name0, file_name1);
+}
diff --git a/sorting.h b/sorting.h
index 8176473..711d7aa 100644
--- a/sorting.h
+++ b/sorting.h
@@ -1,8 +1,13 @@
 #include <curses.h>
 #include <dirent.h>
 #include "defines.h"
+#ifndef SORTING_GUARD
+#define SORTING_GUARD
 #include "sorting.c"
+#endif
 
 void sort_dir(unsigned long *dir_length_width, char *dir_content);
-int skip_hidden_files(const struct dirent *entry);
+void sort_dir(unsigned long *dir_length_width, char *dir_content);
+int sort_natural(const void *file0, const void *file1);
+int sort_alpha(const void *file0, const void *file1);