std::wcscpy

 

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Null-terminated wide strings

Functions
Character classification
iswalnum iswalpha iswlower iswupper iswdigit iswxdigit wctype	iswblank (C++11) iswctype iswcntrl iswgraph iswspace iswprint iswpunct
Character manipulation
towlower towupper	towctrans wctrans
Conversions to numeric formats
wcstolwcstoll (C++11)   wcstofwcstodwcstold (C++11)(C++11)	wcstoulwcstoull (C++11) wcstoimaxwcstouimax (C++11)(C++11)
String manipulation
wcslen wcscmp wcscoll wcsncmp wcschr wcsrchr	wcspbrk wcsspn wcscspn wcsstr wcstok
String examination
wcscpy wcsncpy wcsxfrm	wcscat wcsncat
Array manipulation
wmemcpy wmemmove wmemcmp	wmemchr wmemset
Types wctrans_t wctype_t wint_t	Macros WCHAR_MIN WCHAR_MAX WEOF

 

Defined in header <cwchar>
wchar_t* wcscpy( wchar_t* dest, const wchar_t* src );

Copies the wide string pointed to by src (including the terminating null wide character) to wide character array pointed to by dest.

If the strings overlap, the behavior is undefined.

Parameters

dest	-	pointer to the wide character array to copy to
src	-	pointer to the null-terminated wide string to copy from

Return value

dest

Example

Run this code

#include <clocale>
#include <cwchar>
#include <iostream>
#include <memory>
 
int main()
{
    const wchar_t* src = L"犬 means dog";
/  src[0] = L'狗'; / can't modify string literal
    auto dst = std::make_unique<wchar_t[]>(std::wcslen(src) + 1); / +1 for the null
    std::wcscpy(dst.get(), src);
    dst[0] = L'狗';
    std::setlocale(LC_ALL, "en_US.utf8");
    std::wcout.imbue(std::locale("");
    std::wcout << src << '\n' << dst.get() << '\n';
}

Output:

犬 means dog
狗 means dog

See also

wcsncpy	copies a certain amount of wide characters from one string to another (function)
wmemcpy	copies a certain amount of wide characters between two non-overlapping arrays (function)
strcpy	copies one string to another (function)
C documentation for wcscpy

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