buffer_ext_size
old_size = buffer_ext_size(be);
dbg_header->prolog_length = (buffer_ext_size(be) - old_size) -
dbg_header->total_length = (buffer_ext_size(be) - old_size) -
size_t old_size = buffer_ext_size(be);
comp_unit_header->total_length = (buffer_ext_size(be) - old_size) -
add_compilation_unit(di, buffer_ext_size(dl));
d->d_size = buffer_ext_size(&dl);
d->d_size = buffer_ext_size(&di);
d->d_size = buffer_ext_size(&da);