例: // CPP program to illustratememchr()#include<iostream>#include<cstring>intmain(){chararr[] = {'b','a','d','e','f','A','g'};char* pc = (char*)std::memchr(arr,'g',sizeofarr);if(pc !=NULL)std::cout<<"search character found\n";elsestd::cout<<"search character not...
std::memchr编辑 定义于头文件<cstring> const void* memchr( const void* ptr, int ch,std::size_tcount ); void* memchr( void* ptr, int ch,std::size_tcount ); 转换ch为 unsigned char 并在ptr所指向的对象的起始count(每个都转译为 unsigned char )个字符中定位该值的首次出现。
std::memchr Defined in header <cstring> const void* memchr( const void* ptr, int ch, std::size_t count ); void* memchr( void* ptr, int ch, std::size_t count ); 皈依ch到unsigned char,并在初始值中定位该值的第一次出现。count字符%28解释为unsigned ...
std::strncat std::strxfrm std::strlen std::strcmp std::strncmp std::strcoll std::strchr std::strrchr std::strspn std::strcspn std::strpbrk std::strstr std::strtok std::memchr std::memcmp std::memset std::memcpy std::memmove std::strerror 空终止多字节字符串 空终止宽字符串 std::char_...
std::memchr std::memcmp std::memcpy std::memmove std::memset std::stod std::stof std::stoi std::stol std::stold std::stoll std::stoul std::stoull std::strcat std::strchr std::strcmp std::strcoll std::strcpy std::strcspn
"; wchar_t target = L'许'; const std::size_t sz = sizeof str / sizeof *str; if (const wchar_t* result = std::wmemchr(str, target, sz)) { std::setlocale(LC_ALL, "en_US.utf8"); std::wcout.imbue(std::locale("en_US.utf8")); std::wcout << "Found '" << target ...
const wchar_t* wmemchr( const wchar_t* ptr, wchar_t ch, std::size_t count ); (1) wchar_t* wmemchr( wchar_t* ptr, wchar_t ch, std::size_t count ); (2) Locates the first occurrence of wide character ch in the initial count wide characters of the wide character array poin...