error: function 'p' is initialized like a variable|

 error: function 'p' is initialized like a variable|

 

error: nested function 'p' declared but never defined|

 

#include <stdio.h>
#include<stdlib.h>

int inc(int a)
{

    printf("4\n");
 return (++a);
}

int multi(int*a ,int*b, int*c)
{
 return (*c=*a**b);
}

typedef int(FUNC1)(int in);
typedef int(FUNC2)(int*,int*,int*);
void show(FUNC2 fun,int arg1, int*arg2)
{
 FUNC1 p=&inc; 

// error: function 'p' is initialized like a variable|

 

  int temp=(p)(arg1);
 printf("3\n");
 fun(&temp,&arg1,arg2);
 printf("%d",*arg2);
}

int main()
{
 int a;  //local var. ==0
 show(multi,10,&a);
 return 0;
}