1 files changed, 15 insertions, 0 deletions
diff --git a/advent-of-code/2023/lib/vec.h b/advent-of-code/2023/lib/vec.h
new file mode 100644
index 0000000..5778689
--- /dev/null
+++ b/advent-of-code/2023/lib/vec.h
@@ -0,0 +1,15 @@
+#ifndef VEC_H_ 
+#define VEC_H_ 
+
+#include <stddef.h>
+
+void *new_vec();
+void vec_push_back(void *self, void* obj);
+void* vec_get(void *self, size_t n);
+size_t vec_length(void *self);
+void vec_erase(void *self, size_t n);
+size_t vec_size(void* self);
+void vec_reserve(void* self, size_t n);
+void vec_insert(void* self, size_t pos, void* obj);
+
+#endif