isc_buffer_usedlength
printf("%.*s", (int)isc_buffer_usedlength(buf),
isc_buffer_usedlength(&b);
opts[i].length = isc_buffer_usedlength(&b);
if (isc_buffer_usedlength(&lookup->renderbuf) > 512)
len = isc_buffer_usedlength(&hexbuf);
secretsize = isc_buffer_usedlength(&secretbuf);
length = isc_buffer_usedlength(target) - isc_buffer_usedlength(&st);
cur = isc_buffer_usedlength(target);
unsigned int u = isc_buffer_usedlength(target);
length = isc_buffer_usedlength(target) - isc_buffer_usedlength(&st);
length = isc_buffer_usedlength(target) - isc_buffer_usedlength(&st);
if (bytes > isc_buffer_usedlength(&sigbuf))
bytes = isc_buffer_usedlength(&sigbuf);
tsig.siglen = isc_buffer_usedlength(&sigbuf);
length += isc_buffer_usedlength(buffer);
if (skip_count < isc_buffer_usedlength(buffer))
skip_count -= isc_buffer_usedlength(buffer);
printf("Address: %.*s\n", (int)isc_buffer_usedlength(&b),
printf("%.*s\n", (int)isc_buffer_usedlength(b),