map_symbol__copy
map_symbol__copy(&annotate_he.ms, ms);
map_symbol__copy(&node->ms, ms);
map_symbol__copy(&new->ms, &chain->ms);
map_symbol__copy(&call->ms, &cursor_node->ms);
map_symbol__copy(&dst->ms, &src->ms);
void map_symbol__copy(struct map_symbol *dst, struct map_symbol *src);