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std::strcpy(3) C++ Standard Libary std::strcpy(3) NAME std::strcpy - std::strcpy Synopsis Defined in header <cstring> char* strcpy( char* dest, const char* src ); Copies the character string pointed to by src, including the null terminator, to the character array whose first element is pointed to by dest. The behavior is undefined if the dest array is not large enough. The behavior is undefined if the strings overlap. Parameters dest - pointer to the character array to write to src - pointer to the null-terminated byte string to copy from Return value dest Example // Run this code #include <iostream> #include <cstring> #include <memory> int main() { const char* src = "Take the test."; // src[0] = 'M'; // can't modify string literal auto dst = std::make_unique<char[]>(std::strlen(src)+1); // +1 for the null terminator std::strcpy(dst.get(), src); dst[0] = 'M'; std::cout << src << '\n' << dst.get() << '\n'; } Output: Take the test. Make the test. See also strncpy copies a certain amount of characters from one string to an- other (function) memcpy copies one buffer to another (function) http://cppreference.com 2022.07.31 std::strcpy(3)
NAME | Synopsis | Parameters | Return value | Example | Output: | See also
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