ssize_t biowritesome(struct bufio *bio, const void *data, size_t len);
int bioprintf(struct bufio *bio, const char *format, ...);
ssize_t biocopysome(struct bufio *dst, struct bufio *src);
ssize_t biowritesome(struct bufio *bio, const void *data, size_t len);
int bioprintf(struct bufio *bio, const char *format, ...);
ssize_t biocopysome(struct bufio *dst, struct bufio *src);