bfs_file_write
if (bfs_file_write(bfs, filename, p, size) != 0)
if (bfs_file_write(bfs, filename, p, size) != 0)
if (bfs_file_write(bfs, "boot.log", __log, LOG_SIZE) != 0)
int bfs_file_write(struct bfs *, const char *, void *, size_t);