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C++对象布局及多态探索之菱形结构虚继承 - C/C++ - 清泛网 - 专注C/C++及内核技术

... {  C041() : c_(0x01) {}  virtual void foo() { c_ = 0x02; }  char c_; }; struct C100 : public virtual C041 {  C100() : c_(0x02) {}  char c_; }; struct C101 : public virtual C041 {  C101() : c_(0x03) {}  char c_; }; struct C110 : public C100, public C101 ...
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VC/Linux C++ 递归访问目录下所有文件 - C/C++ - 清泛网 - 专注C/C++及内核技术

... C++ 递归访问目录下所有文件VC函数,部分代码如下:find(char * lpPath){ char szFind[MAX_PATH]; WIN32_FIND_DATA FindFileData; strcpy(sz...VC函数,部分代码如下: find(char * lpPath) { char szFind[MAX_PATH]; WIN32_FIND_DATA FindFileData; strcpy...
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[源码实例] c/c++获取网卡mac地址 - C/C++ - 清泛网 - 专注C/C++及内核技术

...]; }ASTAT, * PASTAT; ASTAT Adapter; void getmac_one (int lana_num,char *pMicID) { NCB ncb; UCHAR uRetCode; memset( &ncb, 0, sizeof(ncb) ); ncb.ncb_command = NCBRESET; ncb.ncb_lana_num = lana_num; // 指定网卡号 // 首先对选定的网卡发送一个NCBRESET命令...
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rpcndr.h和wtypes.h冲突的解决方法 - C/C++ - 清泛网 - 专注C/C++及内核技术

...x86) microsoft sdks windows v7.0a include rpcndr.h(162): error C2632: char后面的in...当编译出现如下错误时: 1>c:\program files (x86)\microsoft sdks\windows\v7.0a\include\rpcndr.h(162): error C2632: “char”后面的“int”非法 1>c:\program files (x86)\microsoft sdks\window...
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Linux Glibc幽灵漏洞允许黑客远程获取系统权 - 操作系统(内核) - 清泛网 - ...

...de <string.h> #include <errno.h> #define CANARY"in_the_coal_mine" struct { char buffer[1024]; char canary[sizeof(CANARY)]; } temp = { "buffer", CANARY }; int main(void) { struct hostent resbuf; struct hostent *result; int herrno; int retval; /*** strlen (name) = size_needed -sizeof (*host_addr) - si...
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How do pointer to pointers work in C?

...his case, if this is the only occurrence of "hello" in memory then, const char *c = "hello"; ... defines c to be a pointer to the (read-only) string "hello", and thus contains the value 63. c must itself be stored somewhere: in the example above at location 58. Of course we can not only point to ...
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C libcurl get output into a string

... #include &lt;string.h&gt; #include &lt;curl/curl.h&gt; struct string { char *ptr; size_t len; }; void init_string(struct string *s) { s-&gt;len = 0; s-&gt;ptr = malloc(s-&gt;len+1); if (s-&gt;ptr == NULL) { fprintf(stderr, "malloc() failed\n"); exit(EXIT_FAILURE); } s-&gt;pt...
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What's the opposite of chr() in Ruby?

... pair of functions, chr() and ord() , which convert between numbers and character values. In some languages, ord() is called asc() . ...
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Is it possible to print a variable's type in standard C++?

...f typename std::remove_reference&lt;T&gt;::type TR; std::unique_ptr&lt;char, void(*)(void*)&gt; own ( #ifndef _MSC_VER abi::__cxa_demangle(typeid(TR).name(), nullptr, nullptr, nullptr), #else nullptr, #endif ...