isc_buffer_allocate
result = isc_buffer_allocate(&buf, len);
result = isc_buffer_allocate(&buf, len);
result = isc_buffer_allocate(&namebuf, MXNAME);
result = isc_buffer_allocate(&b, bufsize);
result = isc_buffer_allocate(&dynbuf, size);
result = isc_buffer_allocate(&buf, r.length);
result = isc_buffer_allocate(querytsig, r.length);
result = isc_buffer_allocate(&buf, len);
result = isc_buffer_allocate(&dynbuf, SCRATCHPAD_SIZE);
ret = isc_buffer_allocate(&dynbuf, 512);
isc_buffer_allocate(isc_buffer_t **dynbuffer,
result = isc_buffer_allocate(&source->pushback,
result = isc_buffer_allocate(&tbuf, oldlen * 2);
result = isc_buffer_allocate(&b, size);