-sg_size_t file_read(smx_file_t fd, sg_size_t size, sg_host_t host) [[block]];
-sg_size_t file_write(smx_file_t fd, sg_size_t size, sg_host_t host) [[block]];
-smx_file_t file_open(const char* mount, const char* path, sg_storage_t st) [[block]];
-int file_close(smx_file_t fd, sg_host_t host) [[block]];
-int file_unlink(smx_file_t fd, sg_host_t host) [[nohandler]];
-sg_size_t file_get_size(smx_file_t fd) [[nohandler]];
-sg_size_t file_tell(smx_file_t fd) [[nohandler]];
-int file_seek(smx_file_t fd, sg_offset_t offset, int origin) [[nohandler]];
-int file_move(smx_file_t fd, const char* fullpath);