hey, i can't get this to go. a little help . . . thanks
Code:#include <iostream.h> class c_sequence { protected: int back; int data[10]; public: c_sequence(); virtual mf_poke(char ch); virtual mf_pop(void)=0; virtual mf_peek(void)=0; }; c_sequence::c_sequence() { back=0; } void c_sequence::mf_poke(char ch) //error:not a member { if (back<0) { data[back]=ch; back++; cout<<endl; } else cout<<"sorry, stack full"<<endl<<endl; //error should return a value }