Conditional jump or move depends on uninitialised value(s)
   at 0x........: test_SIOCGIFCONF (ioctl.c:39)
   by 0x........: main (ioctl.c:87)

Conditional jump or move depends on uninitialised value(s)
   at 0x........: test_SIOCGLIFCONF (ioctl.c:76)
   by 0x........: main (ioctl.c:88)

