text: #include "test.h"
  
  static enum TestResult test_available(void)
  {
  	if (linux_vhangup() == linux_ENOSYS)
  		return TEST_NOT_SUPPORTED;
  
  	return TEST_SUCCESS;
  }
  
  BEGIN_TEST()
  	DO_TEST(test_available, "Syscall is available");
  END_TEST()
  