#include <iostream>
using namespace std;
 
typedef struct {
    int (*buffer_push_strategy)();
} parser;
 
int buffer_push_strategy1()
{}
int buffer_push_strategy2()
{}
 
int parser_init(parser* p) {    
    if (true) {
        p->buffer_push_strategy = buffer_push_strategy1;
    }
    else {
        p->buffer_push_strategy = buffer_push_strategy2;
    }
return 0;
}
 
int main() {
 
	parser p;
	parser_init(&p);
	if(p.buffer_push_strategy == buffer_push_strategy1)
	{
		std::cout << 1;	
	}
	else
	{
		std::cout << 2;	
	}
 
	return 0;
}

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