c – LL在1000LL中的含义是什么？

发布时间：2020-12-16 10:01:21 所属栏目：百科来源：网络整理

导读：我发表了这样的声明： time_t time = x / 1000LL; 那LL真正意味着什么呢？解决方法从 this question复制粘贴,这似乎与ULL后缀完全相同： From the gcc 07001: ISO C99 supports data types for integers that are at least 64 bits wide,and as an extensi

我发表了这样的声明：

time_t time = x / 1000LL;

那LL真正意味着什么呢？

解决方法

从 this question复制粘贴,这似乎与ULL后缀完全相同：

From the gcc 07001:

ISO C99 supports data types for integers that are at least 64 bits wide,and as an extension GCC supports them in C90 mode and in C++.
Simply write long long int for a signed integer,or unsigned long long int for an unsigned integer. To make an integer constant of type
long long int,add the suffix LL to the integer. To make an
integer constant of type unsigned long long int,add the suffix
ULL to the integer.

实际上,它是long long int类型的后缀.

（编辑：李大同）

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