大小写不敏感的字符串,头文件
#pragma once
#include <string> #include <string.h>
namespace WordLib{
struct ChatTraintsEx : public std::char_traits<char> { static bool eq(const char ch1, const char ch2) { return _strnicmp(&ch1, &ch2, 1) == 0; }
static bool lt(const char ch1, const char ch2) { return _strnicmp(&ch1, &ch2, 1) > 0; }
static int compare(const char* str1, const char* str2, size_t num) { return _strnicmp(str1, str2, num) > 0; }
static const char_type* find(const char* str, size_t num, const char ch) { for(size_t i = 0; i < num; ++i) { if(eq(str[i], ch)) return str + i; }
return NULL; } }; }; 
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