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#include <string>
#include <iostream>
const bool REVERSE=1;
const bool NORMAL=0;
 
Fifo* init(){
	Fifo *f=NULL;
	return f;
}
 
void put(Fifo * &f,std::string value){
	Fifo *add=new Fifo;
	if(add==NULL){
		std::cout<<"Nie udało się zaalokować"<<std::endl;
		exit(EXIT_FAILURE);
	}
	add->value=value;
	add->next=NULL;
	if(f==NULL)
		f=add;
	else{
		Fifo *tmp=f;
		while(tmp->next!=NULL)
			tmp=tmp->next;
		tmp->next=add;
	}
}
 
void print(Fifo *f){
	if(f==NULL) std::cout<<"Lista pusta";
	std::cout<<"[";
	while(f!=NULL){
		std::cout<<f->value<<",";
		f=f->next;
	}
	std::cout<<"]"<<std::endl;
}
 
void set_mode(Fifo *&f,int mode){
	static bool actualMode=0;
	if(mode!=actualMode){
		reverse(f);
		actualMode=(!actualMode);
	}
}
 
std::string get(Fifo &f){
	std::string tmp=f.value;
	Fifo *help=&f;
	f=*(f.next);
	delete help;
	return tmp;
}
 
 
 
void reverse(Fifo *&f){
	Fifo *actual=f;
	Fifo *prev=NULL;
	Fifo *next=NULL;
	while(actual!=NULL){
		next=actual->next;
		actual->next=prev;
		prev=actual;
		actual=next;
	}
	f=prev;
}
 
void deinit(Fifo *&f){
	if(f!=NULL){
		Fifo *tmp=f;
		while(tmp!=NULL){
			tmp=tmp->next;
			delete f;
			f=tmp;
		}
	}
}

prog.cpp:6:1: error: ‘Fifo’ does not name a type
 Fifo* init(){
 ^
prog.cpp:11:10: error: variable or field ‘put’ declared void
 void put(Fifo * &f,std::string value){
          ^
prog.cpp:11:10: error: ‘Fifo’ was not declared in this scope
prog.cpp:11:18: error: ‘f’ was not declared in this scope
 void put(Fifo * &f,std::string value){
                  ^
prog.cpp:11:32: error: expected primary-expression before ‘value’
 void put(Fifo * &f,std::string value){
                                ^

Standard output is empty