https://stackoverflow.com › questions › 70005578 › difference-between-stdstring-and-const-char

What's the difference between std::string and const char*? consider following example. #include <iostream> #include <string> int main() { const char* myName1{ "Alex" }; std::cout << myName1 << '\n'; std::string myName2{ "Alex" }; std::cout << myName2 << '\n'; return 0; } are they the same?

https://stackoverflow.com › questions › 347949

If you just want to pass a std::string to a function that needs const char *, you can use .c_str(): std::string str; const char * c = str.c_str(); And if you need a non-const char *, call .data(): std::string str; char * c = str.data(); .data() was added in C++17. Before that, you can use &str[0].

https://www.geeksforgeeks.org › char-vs-stdstring-vs-char-c

In this article, we are going to inspect three different ways of initializing strings in C++ and discuss differences between them. 1. Using char* Here, str is basically a pointer to the (const)string literal. Syntax: char* str = "This is GeeksForGeeks"; Pros: 1. Only one pointer is required to refer to whole string. That shows this ...

https://www.techiedelight.com › fr › convert-std-string-const-char-cpp

Cet article explique comment convertir un std::string en const char* en C++. Le pointeur renvoyé doit pointer vers un tableau de caractères contenant la même séquence de caractères que celle présente dans l'objet chaîne et un terminateur nul supplémentaire à la fin.

https://blog.csdn.net › rongrongyaofeiqi › article › details › 52442169

const char* 和string 转换 (1) const char*转换为 string，直接赋值即可。 EX: const char * tmp = "tsinghua". string s = tmp; (2) string 转换 为 const char *，利用c_str() EX: string s = "tsinghua"; const c...

https://www.gnu.org › software › c-intro-and-ref › manual › html_node › const.html

Using const char * for the parameter is a way of saying this function never modifies the memory of the string itself. In calling string_length , you can specify an ordinary char * since that can be converted automatically to const char * .

https://www.techiedelight.com › convert-std-string-const-char-cpp

This post will discuss how to convert a std::string to const char* in C++. The returned pointer should point to a char array containing the same sequence of characters as present in the string object and an additional null terminator at the end.

https://en.cppreference.com › w › cpp › string › basic_string

concatenates two strings, a string and a char, or a string and string_view (function template)

https://learn.microsoft.com › en-us › cpp › cpp › string-and-character-literals-cpp

const char *narrow = "abcd"; // represents the string: yes\no const char *escaped = "yes\\no"; UTF-8 encoded strings. A UTF-8 encoded string is a u8-prefixed, double-quote delimited, null-terminated array of type const char[n], where n is the length of the encoded array in bytes.

https://www.geeksforgeeks.org › convert-char-to-string-in-cpp

There are three ways to convert char* into string in C++. Using the “=” operator. Using the string constructor. Using the assign function. 1. Using the “=” operator. Using the assignment operator, each character of the char pointer array will get assigned to its corresponding index position in the string. C++.