$ make
gcc -g -O2 -c -o ifchk.o ifchk.c
gcc -g -O2 -c -o linux.o linux.c
In file included from /usr/include/linux/rtnetlink.h:4,
from linux.h:59,
from linux.c:54:
/usr/include/linux/netlink.h:22: error: Syntax error before "__u32"
/usr/include/linux/netlink.h:28: error: Syntax error before "__u32"
/usr/include/linux/netlink.h:30: error: Syntax error before "nlmsg_flags"
/usr/include/linux/netlink.h:31: error: Syntax error before "nlmsg_seq"
/usr/include/linux/netlink.h:32: error: Syntax error before "nlmsg_pid"
/usr/include/linux/netlink.h:82: error: field `msg' has incomplete type
In file included from linux.h:59,
from linux.c:54:
/usr/include/linux/rtnetlink.h:247: error: Syntax error before "__u32"
/usr/include/linux/rtnetlink.h:249: error: Syntax error before "rta_expires"
/usr/include/linux/rtnetlink.h:250: error: Syntax error before "rta_error"
/usr/include/linux/rtnetlink.h:251: error: Syntax error before "rta_used"
/usr/include/linux/rtnetlink.h:254: error: Syntax error before "rta_id"
/usr/include/linux/rtnetlink.h:255: error: Syntax error before "rta_ts"
/usr/include/linux/rtnetlink.h:256: error: Syntax error before "rta_tsage"
/usr/include/linux/rtnetlink.h:325: error: Syntax error before "__s32"
/usr/include/linux/rtnetlink.h:351: error: Syntax error before "__u16"
/usr/include/linux/rtnetlink.h:353: error: Syntax error before "ndm_type"
/usr/include/linux/rtnetlink.h:395: error: Syntax error before "__u32"
/usr/include/linux/rtnetlink.h:397: error: Syntax error before "ndm_updated"
/usr/include/linux/rtnetlink.h:398: error: Syntax error before "ndm_refcnt"
/usr/include/linux/rtnetlink.h:494: error: Syntax error before "__u32"
/usr/include/linux/rtnetlink.h:496: error: Syntax error before "tcm_info"
In file included from linux.c:54:
linux.h:86: error: field `client' has incomplete type
linux.h:95: error: field `hdr' has incomplete type
linux.c: In Function
nlSndMsg
linux.c:153: error: storage size of `local' isn't known
linux.c: In Function
nlRcvMsg
linux.c:199: error: storage size of `local' isn't known
linux.c:256: error: dereferencing pointer to incomplete type
linux.c:256: error: invalid application of `sizeof' to an incomplete type
linux.c:256: error: dereferencing pointer to incomplete type
linux.c:258: error: dereferencing pointer to incomplete type
linux.c:263: error: dereferencing pointer to incomplete type
linux.c:263: error: dereferencing pointer to incomplete type
linux.c:327: error: dereferencing pointer to incomplete type
linux.c:327: error: invalid application of `sizeof' to an incomplete type
linux.c:327: error: dereferencing pointer to incomplete type
linux.c:334: error: dereferencing pointer to incomplete type
linux.c:335: error: dereferencing pointer to incomplete type
linux.c:345: error: dereferencing pointer to incomplete type
linux.c:359: error: dereferencing pointer to incomplete type
linux.c:361: error: invalid application of `sizeof' to an incomplete type
linux.c:363: error: dereferencing pointer to incomplete type
linux.c:363: error: invalid application of `sizeof' to an incomplete type
linux.c:381: error: invalid application of `sizeof' to an incomplete type
linux.c:463: error: dereferencing pointer to incomplete type
linux.c:463: error: dereferencing pointer to incomplete type
make: *** [linux.o] error 1
$