Measurement Computing GPIB-488 - Manual (Page 18)

Chapter 3 GPIB 488.1 Library Reference
GPIB-488 3-5 Programming Reference Manual
Returns ibsta will contain a 16-bit status word; refer to Appendix B,
IBSTA .
iberr will contain an error code if an error occurred
value will contain the current value of selected configuration
item
Usage notes Some options apply to boards, some to devices and some apply to
both boards and devices.
A program may modify many of these configuration items via
library routines (for example,
ibtmo , ibeos , etc.). In that case,
ibask returns the modified version.
Example Returns the ist bit of a device at PAD 3.
C int dev, istbit;
dev = ibdev (0,3,0,13,1,0);
ibask (dev, IbaIST, &istbit);