gcc -D__KERNEL__ -I/usr/src/linux-2.1.15/include -Wall
-Wstrict-prototypes -O2 -fomit-frame-pointer -fno-strength-reduce -pipe
-m486
-DCPU=486 -c -o tcp_ipv4.o tcp_ipv4.c
tcp_ipv4.c: In function `tcp_v4_rcv':
tcp_ipv4.c:1021: `dev' undeclared (first use this function)
tcp_ipv4.c:1021: (Each undeclared identifier is reported only once
tcp_ipv4.c:1021: for each function it appears in.)
make[3]: *** [tcp_ipv4.o] Error 1
make[3]: Leaving directory `/usr/src/linux-2.1.15/net/ipv4'
make[2]: *** [first_rule] Error 2
make[2]: Leaving directory `/usr/src/linux-2.1.15/net/ipv4'
make[1]: *** [sub_dirs] Error 2
make[1]: Leaving directory `/usr/src/linux-2.1.15/net'
make: *** [linuxsubdirs] Error 2
Enlighten me. :)
Joe