Just keep adding the values you want to exclude in your list here:
if(!(lstrcmpi(str,L"Remote admin")==0 ||
lstrcmpi(str, L"Remote IPC")==0 ||
lstrcmpi(str,L"Default share")==0 ||
lstrcmpi(str,L"cc_views")==0 ||
lstrcmpi(str,L"Users")==0))
printf("%-20S%\n",p->shi502_netname);