std::wcschr
STD：：Wcschr
| Defined in header | | |
|---|---|---|
| const wchar_t* wcschr( const wchar_t* str, wchar_t ch | | |
| wchar_t* wcschr( wchar_t* str, wchar_t ch | | |
查找宽字符的第一次出现。ch在宽串中，指的是...str...
参数
| str | - | pointer to the null-terminated wide string to be analyzed |
|---|---|---|
| ch | - | wide character to search for |
返回值
中找到的字符的指针。str，或NULL如果找不到这样的角色。
例
二次
#include <iostream>
#include <cwchar>
#include <locale>
int main()
{
wchar_t arr[] = L"招き猫 кошка";
const wchar_t* cat = std::wcschr(arr, L'猫'
const wchar_t* dog = std::wcschr(arr, L'犬'
std::cout.imbue(std::locale("en_US.utf8")
if(cat)
std::cout << "The character 猫 found at position " << cat - arr << '\n';
else
std::cout << "The character 猫 not found\n";
if(dog)
std::cout << "The character 犬 found at position " << dog - arr << '\n';
else
std::cout << "The character 犬 not found\n";
}
二次
产出：
二次
The character 猫 found at position 2
The character 犬 not found
二次
另见
| find | find characters in the string (public member function of std::basic_string) |
|---|---|
| strchr | finds the first occurrence of a character (function) |
| wcsrchr | finds the last occurrence of a wide character in a wide string (function) |
| wcspbrk | finds the first location of any wide character in one wide string, in another wide string (function) |
c Wcschr文件
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