华为面试题解析 - 01

/* 
 * ft1101.c 
 * 
 *  Created on: 2012-11-5 
 *  Author: xiaobin 
 * 
 *  Huawei face questions 
 */  
  
typedef int(FUNC1) (int in);  
typedef int(FUNC2) (int *, int *, int *);  
  
int inc(int a) {  
    return (++a);  
}  
  
int muti(int *a, int *b, int *c) {  
    return (*c = (*a) * (*b));  
}  
  
void show (FUNC2 fun, int arg1, int *arg2) {  
    FUNC1 *p = &inc;  
    int temp = p(arg1);  
    fun(&temp, &arg1, arg2);  
    printf("%d\n", *arg2);  
}  
  
int main(int argc, char* argv[])  
{  
    int a = 0;  
    show(muti, 10, &a);  
    return 0;  
}