Alphabetical order for includes

unless needed otherwise

parser.c

@@ -1,14 +1,14 @@
 #include "err.h"
 #include "types.h"
 
-#include <stdio.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
 #include <fcntl.h>
-#include <string.h>
-#include <stdlib.h>
 #include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
 
 
 /*