-XBT_PUBLIC(sg_storage_size_t) MSG_file_read(msg_file_t fd, sg_storage_size_t size);
-XBT_PUBLIC(sg_storage_size_t) MSG_file_write(msg_file_t fd, sg_storage_size_t size);
-XBT_PUBLIC(msg_file_t) MSG_file_open(const char* mount, const char* path,
- void* data);
+XBT_PUBLIC(sg_size_t) MSG_file_read(msg_file_t fd, sg_size_t size);
+XBT_PUBLIC(sg_size_t) MSG_file_write(msg_file_t fd, sg_size_t size);
+XBT_PUBLIC(msg_file_t) MSG_file_open(const char* fullpath, void* data);