I am trying to build a binary tree in c++ when I compile I get an error that says:
Undefined first referenced
symbol in file
Btree::destroy_tree(node*) /var/tmp//cc1bssfK.o
Btree::remove(int, node*) /var/tmp//cc1bssfK.o
Btree::insert(int, node*) /var/tmp//cc1bssfK.o
Btree::search(int, node*) /var/tmp//cc1bssfK.o
Btree::~Btree() /var/tmp//cc1bssfK.o
Btree::Btree() /var/tmp//cc1bssfK.o
ld: fatal: Symbol referencing errors. No output written to a.out
collect2: ld returned 1 exit status
Any suggestions would be great thanks!