12個滑稽的C語言面試問答——《12個有趣的C語言問答》評析(5)

#include<stdio.h>

int* inc(int val)
{
  int a = val;
  a++;
  return &a;
}

int main(void)
{
    int a = 10;

    int *val = inc(a);

    printf("\n Incremented value is equal to [%d] \n", *val);

    return 0;
}

#include<stdio.h>

int main(void)
{
    int a = 10, b = 20, c = 30;

    printf("\n %d..%d..%d \n", a+b+c, (b = b*2), (c = c*2));

    return 0;
}

printf("\n %d..%d..%d \n", a+b+c, (b = b*2), (c = c*2))

printf("%d,%d,%d,%d\n", ++i, --i, i++, i--);

int i = 1;
i = i + 1 ;

int i = 1 , j ;
j = i + (i = 2) ; 

printf("\n %d..%d..%d \n", a+b+c, (b = b*2), (c = c*2));