[什么是柔性数组(Fliexible Array)] 柔性数组在C99中的定义是: 6.7.2.1 Structure and union specifiers As a special case, the last element of a structure with more than one named member may have an incomplete array type; this is called a flexible array member. 所以可以给出一个中文定
.c89 c90 gnu90 c99 c11 c++98( default ) c++03 c++11 gnu++11 boolC 标准 does not support the boolean data type. include it with this include: #include <stdbool.h>c++ 标准都支持 extern 可以置于变量或者函数前,以标示变量或者函数的定义在别的文件中,提示编译器遇到此变量和函数时在其他模块中寻找其定义.此外extern也可用来进