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#include <stdio.h>
 
#include <stdlib.h>  
#include <iostream>
 
using namespace std;
 
void func(int,char);
void(*func_2(void(*pfunc())(int,char)))(int,char);
 
int main()
 
{
       void(*pfunc_1)(int,char) = func_2(func);
       pfunc_1(343,'S');
       return 0;
}
 
void func(int x,char y)
{printf("\nx = %d, y = %c\n",x,y);}
 
void(*func_2(void(*pfunc())(int,char)))(int,char)
{return pfunc();}

prog.cpp: In function 'int main()':
prog.cpp:14:46: error: invalid conversion from 'void (*)(int, char)' to 'void (* (*)())(int, char)' [-fpermissive]
        void(*pfunc_1)(int,char) = func_2(func);
                                              ^
prog.cpp:9:7: note:   initializing argument 1 of 'void (* func_2(void (* (*)())(int, char)))(int, char)'
 void(*func_2(void(*pfunc())(int,char)))(int,char);
       ^

Standard output is empty