bstr_printf
len = bstr_printf(m->buf + m->count, m->size - m->count, f,
int bstr_printf(char *buf, size_t size, const char *fmt, const u32 *bin_buf);
err = bstr_printf(str, str_size, fmt, data.bin_args);
ret = bstr_printf(data.buf, MAX_BPRINTF_BUF, fmt__str, data.bin_args);
ret = bstr_printf(line_buf, line_size, fmt,
ret = bstr_printf(data.buf, MAX_BPRINTF_BUF, fmt, data.bin_args);
ret = bstr_printf(data.buf, MAX_BPRINTF_BUF, fmt, data.bin_args);
ret = bstr_printf(s->buffer + s->len, len, fmt, binary);
EXPORT_SYMBOL_GPL(bstr_printf);