Unresolved external '_ibsta'

#include <windows.h>
#include <ni488.h>
#include <stdio.h>
 
int checkErrExit()
{
if(ibsta & ERR) // an error occurred
{
switch (iberr) {
case EDVR:            // ibcntl contains a sub-error code
printf("System error %d\n",ibcntl);   
break;
case ECIC: 
printf("Not Controller in Charge \n");
break;
case ENOL: 
printf("No Listeners \n");
break;
case EADR: 
printf("GPIB interface not addressed correctly \n");
break;
case EARG: 
printf("Invalid argument to function call \n ");
break;
case ESAC: 
printf("GPIB interface not System Controller as required \n "); 
break;
case EABO: 
printf("I/O operation aborted (timeout) \n");
break;
case ENEB: 
printf("Nonexistent GPIB interface \n");
break;
case EDMA: 
printf("DMA error \n");
break;
case EOIP: 
printf("Asynchronous I/O in progress \n ");
break;
case ECAP: 
printf("No capability for operation \n");
break;
case EFSO: 
printf("File system error \n");
break;
case EBUS: 
printf("GPIB bus error \n");
break;
case ESRQ: 
printf("SRQ stuck in ON position \n");
break;
case ETAB: 
printf("Table problem \n");
break;
case ELCK: 
printf("Interface is locked \n");
break;
case EARM: 
printf("ibnotify callback failed to rearm \n");
break;
case EHDL: 
printf("Input handle is invalid \n ");
break;
case EWIP: 
printf("Wait in progress on specified input handle \n");
break;
case ERST: 
printf("The event notification was cancelled due to a reset of the interface \n");
break;
case EPWR: 
printf("The interface lost power \n");
break;
default: 
printf("Unexpected error \n");
break;
}
exit (1);// exit the program in case of any error 
}
return 0;
}