c - C - Why the size_t is unrecognized in eclipse?

Question

In eclipse it don't recognize the type size_t, it write error on it and a message uknown type name 'size_t', it is written right

Answer 1

size_t来自stddef.h标准头文件。你必须包括它。你也可以从stdio.h它也被声明的地方得到它。