frontend: sort devhelp device list alphabetically
frontend: sort devhelp device list alphabetically
Add xspice examples
xspice nco example: use stdlib malloc prototype
verilog: add support to use external vpp library
Fix build errors related to "parameter name omitted"
With commit https://sourceforge.net/u/habacker/ngspice/ci/d5f42ee29c4d196420d2f2dd516d7d78d10db403/ a build issue when building with MinGW has been fixed.
verilog: add support to use external vpp library