Xan:~/Desktop/code hejog$ gcc -o code List.c List.h TextFileStorage.c 
/usr/bin/ld: multiple definitions of symbol _ListAddItem
/var/tmp//ccVbpfKb.o definition of _ListAddItem in section (__TEXT,__text)
/var/tmp//cc7P8s2n.o definition of _ListAddItem in section (__TEXT,__text)
/usr/bin/ld: multiple definitions of symbol _ListCleanup
/var/tmp//ccVbpfKb.o definition of _ListCleanup in section (__TEXT,__text)
/var/tmp//cc7P8s2n.o definition of _ListCleanup in section (__TEXT,__text)
/usr/bin/ld: multiple definitions of symbol _ListDeleteItem
/var/tmp//ccVbpfKb.o definition of _ListDeleteItem in section (__TEXT,__text)
/var/tmp//cc7P8s2n.o definition of _ListDeleteItem in section (__TEXT,__text)
/usr/bin/ld: multiple definitions of symbol _ListInit
/var/tmp//ccVbpfKb.o definition of _ListInit in section (__TEXT,__text)
/var/tmp//cc7P8s2n.o definition of _ListInit in section (__TEXT,__text)
/usr/bin/ld: multiple definitions of symbol _ListLoadFile
/var/tmp//ccVbpfKb.o definition of _ListLoadFile in section (__TEXT,__text)
/var/tmp//cc7P8s2n.o definition of _ListLoadFile in section (__TEXT,__text)
/usr/bin/ld: multiple definitions of symbol _ListReplaceItem
/var/tmp//ccVbpfKb.o definition of _ListReplaceItem in section (__TEXT,__text)
/var/tmp//cc7P8s2n.o definition of _ListReplaceItem in section (__TEXT,__text)
/usr/bin/ld: multiple definitions of symbol _ListSaveFile
/var/tmp//ccVbpfKb.o definition of _ListSaveFile in section (__TEXT,__text)
/var/tmp//cc7P8s2n.o definition of _ListSaveFile in section (__TEXT,__text)
/usr/bin/ld: multiple definitions of symbol _get_y
/var/tmp//ccVbpfKb.o definition of _get_y in section (__TEXT,__text)
/var/tmp//cc7P8s2n.o definition of _get_y in section (__TEXT,__text)
collect2: ld returned 1 exit status