是否有可能在其他文件中找到其他文件中的变量大小？ [英] is it possible to find size of variables in other files which define in another files?

问题描述

这是我的问题：定义了三个.c文件，在两个文件中包含结构变量。另一个文件包含数组变量，其中包含结构变量的名称。



可以找到结构的大小。

Here is my question: three .c file is defined , in two file contains structure variable. And another file having array variable which contains name of structure variables.

it is possible to find size of stucture.

//one.c

               void one()
                        {
                          struct a{                    //define structure in .c file
                              int al;
                              char b;
                              };
                             typedef struct a a11;
                         }

  //two.c
                      //define structure variables in .c file
void two()
                          {
                              struct a1{
                                     int c1;
                                       };
                                  typedef struct a1 a111;
                                  struct b1{
                                          char c2;
                                          char g;
                                            };
                                  typedef struct a1 a111;
                            }

这里是另一个文件three.c，

here another file three.c,

void main{

 char a[3][10]   //two dimmensional array for storing
                       name of variables.

   printf("%d",sizeof(a[0]))  ;
    }

//存储的结构变量名称;

我的问题是：可以在这个文件中找到a11，a111的大小。

//which stored structure variables name;
my question is: it is possible to find size of a11,a111 in this file.

推荐答案

No。



three.c不知道你在one.c或two.c中隐藏的定义。 怎么可能他们知道？这就是标题的用途。阅读C / C ++标题。

No.

three.c has no knowledge of the definitions you hid in one.c or two.c. How could they know? That is what headers are for. Read up on headers for C/C++.

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