<def f='src/src/sys/dev/i2o/iopio.h' l='52' ll='56'/>
<size>24</size>
<mbr r='ioppt_buf::ptb_data' o='0' t='void *'/>
<mbr r='ioppt_buf::ptb_datalen' o='64' t='size_t'/>
<mbr r='ioppt_buf::ptb_out' o='128' t='int'/>
