Programming instructions

How to Log Results VISA Programming Examples
Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition 211
{
ViStatus errStatus; /* returned error code from visa call */
ViSession defaultRM; /* default visa resource manager variable
*/
/* First get initialized the visa library (see example 1) */
errStatus = viOpenDefaultRM (&defaultRM);
if (errStatus < VI_SUCCESS)
printf("Failed to open VISA Resource manager\n");
/* Open session to GPIB device at address 20; */
errStatus = viOpen (defaultRM, "GPIB::20::INSTR",
VI_NULL,VI_NULL,iHandle);
if (errStatus < VI_SUCCESS)
printf("Failed to open instrument\n");
return errStatus;
}