在 C 中将 Char 数组转换为 Long 错误

Question

我尝试将 unsigned long int 转换为 char 但我遇到了一些错误

int main(void)
{
    unsigned char pdest[4];
    unsigned long l=0xFFFFFFFF;
    pdest[0] = l         & 0xFF;
    pdest[1] = (l >>  8) & 0xFF;
    pdest[2] = (l >> 16) & 0xFF;
    pdest[3] = (l >> 24) & 0xFF;

    unsigned long int l1=0;
    l1 |= (pdest[0]);
    l1 |= (pdest[1] << 8);
    l1 |= (pdest[2] << 16);
    l1 |= (pdest[3] << 24);

    printf ("%lu",l1);
}

输出为

18446744073709551615

不是 4294967295？

如何正确执行？

Answer 1

阅读此内容: https://en.wikipedia.org/wiki/C_data_types

...Long unsigned integer type. Capable of containing at least the [0, 4,294,967,295] range;