strlen, wcslen, _mbslen, _mbslen_l, _mbstrlen, _mbstrlen_l, setlocale(LC_CTYPE, "Japanese_Japan")(MSDN的官方示例)
阿新 • • 發佈:2017-08-07
ati per code style programs mine rec asp .aspx
// crt_strlen.c // Determine the length of a string. For the multi-byte character // example to work correctly, the Japanese language support for // non-Unicode programs must be enabled by the operating system. #include <string.h> #include <locale.h> int main() {char* str1 = "Count."; wchar_t* wstr1 = L"Count."; char * mbstr1; char * locale_string; // strlen gives the length of single-byte character string printf("Length of ‘%s‘ : %d\n", str1, strlen(str1) ); // wstrlen gives the length of a wide character string wprintf(L"Length of ‘%s‘ : %d\n", wstr1, wcslen(wstr1) ); // A multibyte string: [A] [B] [C] [katakana A] [D] [\0] // in Code Page 932. For this example to work correctly, // the Japanese language support must be enabled by the // operating system. mbstr1 = "ABC" "\x83\x40" "D"; locale_string= setlocale(LC_CTYPE, "Japanese_Japan"); if (locale_string == NULL) { printf("Japanese locale not enabled. Exiting.\n"); exit(1); } else { printf("Locale set to %s\n", locale_string); } // _mbslen will recognize the Japanese multibyte character if the // current locale used by the operating system is Japanese printf("Length of ‘%s‘ : %d\n", mbstr1, _mbslen(mbstr1) ); // _mbstrlen will recognize the Japanese multibyte character // since the CRT locale is set to Japanese even if the OS locale // isnot. printf("Length of ‘%s‘ : %d\n", mbstr1, _mbstrlen(mbstr1) ); printf("Bytes in ‘%s‘ : %d\n", mbstr1, strlen(mbstr1) ); }
https://msdn.microsoft.com/en-us/library/78zh94ax.aspx
strlen, wcslen, _mbslen, _mbslen_l, _mbstrlen, _mbstrlen_l, setlocale(LC_CTYPE, "Japanese_Japan")(MSDN的官方示例)