typedef DALLOC_CTX sl_array_t; /* an array of elements */
typedef DALLOC_CTX sl_dict_t; /* an array of key/value elements */
typedef DALLOC_CTX sl_filemeta_t; /* an array of elements */
-typedef int sl_nit_t; /* a nil element */
+typedef int sl_nil_t; /* a nil element */
typedef bool sl_bool_t; /* a boolean, we avoid bool_t as it's a define for something else */
typedef struct timeval sl_time_t; /* a boolean, we avoid bool_t as it's a define for something else */
typedef struct {