Problems with Compilation (Score 1)

guys please help when i compile the program the following error shows...

root@chimera:~/Desktop/asleap# make
cc -pipe -Wall -D_LINUX -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -O4 -D_OPENSSL_MD4 -g3 -ggdb -c -o apeek.o apeek.c
apeek.c: In function `test_filetype':
apeek.c:124: error: `DLT_TZSP' undeclared (first use in this function)
apeek.c:124: error: (Each undeclared identifier is reported only once
apeek.c:124: error: for each function it appears in.)
make: *** [apeek.o] Error 1

i am with Slack linx...