stddef.h是C标准函数库中的头文件，定义了若干常见的类型与宏。
类型
- ptrdiff_t 有符号整数型
- size_t 无符号整数型
- wchar_t 16位或32位整数型
宏
- NULL 与实现相关的空指针的值
- offsetof(type, member-designator) 结构体内成员的偏移量
参考文献
Wikiwand in your browser!
Seamless Wikipedia browsing. On steroids.
Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.
Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.
