cmake HAVE_PCAP_FINDALLDEVS examples

usb-tools/USBProxy-legacy src/cmake/modules/FindPCAP.cmake :118 

CHECK_FUNCTION_EXISTS("pcap_findalldevs" HAVE_PCAP_FINDALLDEVS)

boundary/wireshark cmake/modules/FindPCAP.cmake :127 

CHECK_FUNCTION_EXISTS("pcap_findalldevs" HAVE_PCAP_FINDALLDEVS)

CTSRD-CHERI/cheribsd contrib/tcpdump/CMakeLists.txt :863 

check_function_exists(pcap_findalldevs HAVE_PCAP_FINDALLDEVS)

gnss-sdr/gnss-sdr cmake/Modules/FindPCAP.cmake :120 

check_function_exists("pcap_findalldevs" HAVE_PCAP_FINDALLDEVS)