获取ini文件所有的Sections和Keys

获取ini文件中所有的Sections和Keys，并以pair对的方式存入到vector中

 #include <iostream>
 #include <windows.h>
 #include <string>
 #include <vector>
 using namespace std;

 #define PATH "E:\\vc_code\\parse_ini\\cfg.ini"
 int main()
 {
     char buff[] = {};
     vector<string> vecSections;
     vector<string> vecKeys;
     vector<pair<string, string>> vecSectionKey;
     int num = GetPrivateProfileSectionNames(buff, , PATH);
     size_t startpos = ;
     for (size_t i = ; i < num; ++i)
     {
         if ('\0' == buff[i])
         {
             string tmp(buff + startpos, buff + i);
             startpos = i + ;
             vecSections.push_back(tmp);
         }
     }

     for (size_t i = ; i < vecSections.size(); ++i)
     {
         char buffkey[] = {};
         num = GetPrivateProfileSection(vecSections[i].c_str(), buffkey, , PATH);
         startpos = ;
         for (size_t j = ; j < num; ++j)
         {
             if ('\0' == buffkey[j])
             {
                 string tmp(buffkey + startpos, buffkey + j);
                 startpos = j + ;
                 size_t pos = tmp.find('=');
                 vecKeys.push_back(tmp.substr(, pos));

                 vecSectionKey.push_back(make_pair(vecSections[i], tmp.substr(, pos)));
             }
         }
     }

     return ;
 }