Code:
#include <acknex.h>
#include <default.c>
void PrintfText(int value) 
{
    printf("Hello World n%d!",value);
}

void CallPrintfText(void * callfuct,int value)
{
    void func(int);
    func = callfunct;
    func(value);
}

int main()
{
    CallPrintfText(PrintfText);
    return 0;
}


this code will be show"callfuct undeclared idenitifier"


development 3d game is interesting!