)
/* exposed interface */
-#define vec_meta(A) (((vector_t*)(A)) - 1)
+#define vec_meta(A) (((vector_t*)((void*)A)) - 1)
#define vec_free(A) ((void)((A) ? (mem_d((void*)vec_meta(A)), (A) = NULL) : 0))
#define vec_push(A,V) (GMQCC_VEC_WILLGROW((A),1), (A)[vec_meta(A)->used++] = (V))
#define vec_size(A) ((A) ? vec_meta(A)->used : 0)