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Programming the Status System 21Chapter 2
/* send command */
iprintf(id, "%s\n", cmd);
/* check cmd for a ’?’, if found assume it is a query */
for(idx=0; idx<strlen(cmd); idx++)
if( ’?’ == cmd[idx])
{
/* wait up to 1 minute for srq handler */
if( 0 != iwaithdlr(60000))
{
printf("ERROR: Failed to process Query\n");
}
break;
}
} /* while - there are commands to send */
/* remove the handler */
ionsrq( id, 0);
/* close the session */
printf("\nClosing Instrument at %s\n", addr);
iclose(id);
}