diff --git a/bin/yait b/bin/yait
deleted file mode 100755
index 7ac3f47..0000000
Binary files a/bin/yait and /dev/null differ
diff --git a/config.mak b/config.mak
deleted file mode 100644
index d6ba4f4..0000000
--- a/config.mak
+++ /dev/null
@@ -1,4 +0,0 @@
-PREFIX=/usr/bin/
-CFLAGS=-Wall -Wextra -O2
-LDFLAGS=
-CC=gcc
diff --git a/lib/e.h b/core/e.h
similarity index 100%
rename from lib/e.h
rename to core/e.h
diff --git a/lib/file.c b/core/file.c
similarity index 100%
rename from lib/file.c
rename to core/file.c
diff --git a/lib/file.h b/core/file.h
similarity index 100%
rename from lib/file.h
rename to core/file.h
diff --git a/lib/print.c b/core/print.c
similarity index 100%
rename from lib/print.c
rename to core/print.c
diff --git a/lib/print.h b/core/print.h
similarity index 100%
rename from lib/print.h
rename to core/print.h
diff --git a/obj/yait/main.o b/obj/yait/main.o
deleted file mode 100644
index bcb307d..0000000
Binary files a/obj/yait/main.o and /dev/null differ
diff --git a/yait/format.h b/yait/format.h
new file mode 100644
index 0000000..a66982c
--- /dev/null
+++ b/yait/format.h
@@ -0,0 +1,26 @@
+#ifndef CORE_H
+#define CORE_H
+
+#include <stdbool.h>
+
+typedef enum {
+  OPENBSD3,
+  GPLv3,
+  MIT,
+  UNLICENCE,
+} licence_t;
+
+typedef enum {
+  RAYLIB,
+  WINAPI,
+  cURL,
+} lib_t;
+
+typedef struct {
+  bool nogit;
+  licence_t licence;
+  char *name;
+  lib_t libraries[];
+} format_t;
+
+#endif
diff --git a/yait/main.c b/yait/main.c
index 58db290..78dfac9 100644
--- a/yait/main.c
+++ b/yait/main.c
@@ -1,6 +1,18 @@
 #include "../lib/print.h"
+#include "core.h"
 
-int main(void) {
-  printfn("error: incomplete binary.");
+void create(format_t);
+
+int main(int argc, char **argv) {
+  if (argc < 2) {
+    printfn("error: not enough arguments.");
+    return 1;
+  }
+  format_t conf;
+  conf.name = argv[1];
+  conf.nogit = false;
   return 0;
 }
+
+void create(format_t conf) {
+}