diff --git a/simap.h b/simap.h
index 9107abd..ea20b19 100644
--- a/simap.h
+++ b/simap.h
@@ -7,13 +7,6 @@
 #include "amap.h"
 #include "arena.h/arena.h"
 
-/** This is to ensure 8byte storage of pointers (with possible padding) */
-union simap_ptr64 {
-	void *ptr;
-	uint64_t u64;
-};
-typedef union simap_ptr64 simap_ptr64;
-
 /**
  * A "peasantly" map data structure backed by arena.h - basically a toy data structure...
  *
@@ -64,12 +57,22 @@ static inline simap_instance simap_create() {
 	return ret;
 }
 
+static inline void* simap(void *amap_instance, AMAP_OP op, const char *key, void *ptr);
+
+/** The first 8 characters are stored as uint64_t for fast checks */
 union simap_c64 {
 	char str8[8];
 	uint64_t u64;
 };
 typedef union simap_char64 simap_char64;
 
+/** This is to ensure 8byte storage of pointers (with possible padding) */
+union simap_ptr64 {
+	void *ptr;
+	uint64_t u64;
+};
+typedef union simap_ptr64 simap_ptr64;
+
 static inline simap_ptr64 *simap_search_internal(simap_instance *map, const char *key) {
 	/* Construct prefix (fast-key) */
 	size_t keylen = strlen(key);