std::wcschr
Defined in header <cwchar> | | |
|---|---|---|
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
© cppreference.com在CreativeCommonsAttribution下授权-ShareAlike未移植许可v3.0。
本文档系腾讯云开发者社区成员共同维护，如有问题请联系 cloudcommunity@tencent.com
