cmake HAVE_FIONBIO examples

fluent/fluent-bit lib/c-ares-1.34.4/CMakeLists.txt :395 

CHECK_SYMBOL_EXISTS (FIONBIO         "${CMAKE_EXTRA_INCLUDE_FILES}" HAVE_FIONBIO)

AtomicGameEngine/AtomicGameEngine Source/ThirdParty/libcurl/LibCurl.cmake :1248 

endif(HAVE_FIONBIO OR
  HAVE_IOCTLSOCKET OR
  HAVE_IOCTLSOCKET_CASE OR
  HAVE_O_NONBLOCK)

PacktPublishing/The-Modern-Cpp-Challenge libs/curl/CMakeLists.txt :1044 

endif(HAVE_FIONBIO OR
  HAVE_IOCTLSOCKET OR
  HAVE_IOCTLSOCKET_CASE OR
  HAVE_O_NONBLOCK)

Studio3T/robomongo src/third-party/libssh2-1.7.0/sources/cmake/CheckNonblockingSocketSupport.cmake :58 

check_c_source_compiles("/* FIONBIO test (old-style unix) */
#include <unistd.h>
#include <stropts.h>

int main()
{
    int socket;
    int flags = ioctl(socket, FIONBIO, &flags);
}"
    HAVE_FIONBIO)

Studio3T/robomongo src/third-party/libssh2-1.9.0/sources/cmake/CheckNonblockingSocketSupport.cmake :58 

check_c_source_compiles("/* FIONBIO test (old-style unix) */
#include <unistd.h>
#include <stropts.h>

int main()
{
    int socket;
    int flags = ioctl(socket, FIONBIO, &flags);
}"
    HAVE_FIONBIO)

AshamaneProject/AshamaneCore dep/cpr/opt/curl/CMakeLists.txt :1044 

endif(HAVE_FIONBIO OR
  HAVE_IOCTLSOCKET OR
  HAVE_IOCTLSOCKET_CASE OR
  HAVE_O_NONBLOCK)