Fixes

[mwarning]

Fixes the compilation and some warnings of the user space code.

[mwarning]

The kernel part still does not compile for me though:

[aodv-uu-for-kernel-version-3.19]$ make
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o main.o main.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o list.o list.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o debug.o debug.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o timer_queue.o timer_queue.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o aodv_socket.o aodv_socket.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o aodv_hello.o aodv_hello.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o aodv_neighbor.o aodv_neighbor.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o aodv_timeout.o aodv_timeout.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o routing_table.o routing_table.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o seek_list.o seek_list.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o aodv_rreq.o aodv_rreq.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o aodv_rrep.o aodv_rrep.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o aodv_rerr.o aodv_rerr.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o nl.o nl.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -c -o locality.o locality.c
gcc -Wall -O3 -g -DDEBUG -DCONFIG_GATEWAY  -DDEBUG -o aodvd main.o list.o debug.o timer_queue.o aodv_socket.o aodv_hello.o aodv_neighbor.o aodv_timeout.o routing_table.o seek_list.o aodv_rreq.o aodv_rrep.o aodv_rerr.o nl.o locality.o 
make -C /home/mwarning/tmp/aodv-uu-for-kernel-version-3.19/lnx KERNEL_DIR=/lib/modules/5.4.38_1/build KCC=gcc XDEFS=-DDEBUG
make[1]: Entering directory '/home/mwarning/tmp/aodv-uu-for-kernel-version-3.19/lnx'
make -C /lib/modules/5.4.38_1/build SUBDIRS=/home/mwarning/tmp/aodv-uu-for-kernel-version-3.19/lnx modules
make[2]: Entering directory '/usr/src/kernel-headers-5.4.38_1'
  HOSTCC  scripts/basic/fixdep
scripts/basic/fixdep.c:410:1: fatal error: opening dependency file scripts/basic/.fixdep.d: Permission denied
  410 | }
      | ^
compilation terminated.
make[4]: *** [scripts/Makefile.host:107: scripts/basic/fixdep] Error 1
make[3]: *** [Makefile:500: scripts_basic] Error 2
make[2]: *** [Makefile:677: include/config/auto.conf.cmd] Error 2
make[2]: *** [include/config/auto.conf.cmd] Deleting file 'include/config/tristate.conf'
make[2]: unlink: include/config/tristate.conf: Permission denied
make[2]: Leaving directory '/usr/src/kernel-headers-5.4.38_1'
make[1]: *** [Makefile:69: kaodv.ko] Error 2
make[1]: Leaving directory '/home/mwarning/tmp/aodv-uu-for-kernel-version-3.19/lnx'
make: *** [Makefile:125: kaodv] Error 2

[mwarning]

The inline declarations were causing many undefined references errors