Re: Where to download asci_c.h, visa.h and vpptype.h?

[Noel]

Do you have <a href=http://www.ni.com/visa/>NI-VISA</a> installed?
IVI drivers require VISA to be installed.  If installed, the VISA
header files will be installed in your defined VISA directory (by
default is C:\VXIPNP\WINNT\include (if on an NT-based windows
machine).