bulk changes

config.h

@@ -1,10 +1,16 @@
 #ifndef CONFIG_H
 #define CONFIG_H
 
+/* Program information */
 #define PROGRAM "yait"
 #define LICENSE_LINE "License BSD-3-Clause: BSD-3-Clause <https://opensource.org/license/bsd-3-clause>"
 #define AUTHORS "vx_clutch"
 #define VERSION "pre-alpha"
 #define YEAR 2025
 
+/* Custom error codes */
+#define HELP_REQUESTED 2
+#define ERROR_MEMORY_ALLOCATION 3
+#define ERROR_DIRECTORY_CREATION 4
+
 #endif