toupper () - Kusto | Microsoft Learn
Mar 10, 2025 · Returns. If conversion is successful, result is an uppercase string. If conversion isn't successful, result is null.. Example. The following example checks whether the toupper() …
std::towupper - cppreference.com
Jun 18, 2023 · Converts the given wide character to uppercase, if possible. If the value of ch is neither representable as a wchar_t nor equal to the value of the macro WEOF, the behavior is …
C 库函数 - toupper() - 菜鸟教程
C 库函数 int toupper (int c) 把小写字母转换为大写字母。 下面是 toupper () 函数的声明。 c -- 这是要被转换为大写的字母。 如果 c 有相对应的大写字母，则该函数返回 c 的大写字母，否则 c …
std::toupper - cppreference.com
Dec 20, 2024 · int toupper (int ch ); Converts the given character to uppercase according to the character conversion rules defined by the currently installed C locale. In the default "C" locale, …
C/C++库函数（tolower/toupper）实现字母的大小写转换_c
May 3, 2022 · toupper和tolower是 C++ 标准库中的两个函数，用于字符的大小写转换。 这两个函数都定义在< cc type>头文件中。 以下是它们的详细介绍及代码示例。
String.ToUpper Method (System) | Microsoft Learn
ToUpper() Returns a copy of this string converted to uppercase. ToUpper(CultureInfo) Returns a copy of this string converted to uppercase, using the casing rules of the specified culture.
C ctype toupper() Function - W3Schools
The toupper() function returns the ASCII value of an uppercase version of the character. If the character is not an uppercase character then its value is returned without being changed. The …
toupper() function in C - GeeksforGeeks
Jan 10, 2025 · The toupper() function is used to convert lowercase alphabet to uppercase. i.e. If the character passed is a lowercase alphabet then the toupper() function converts a lowercase …
toupper () in C++ - GeeksforGeeks
Apr 4, 2024 · If the character passed is a lowercase alphabet, then the toupper() function converts it to an uppercase alphabet. This function does not affect an uppercase character, special …
toupper()函数用法及其详解 - CSDN博客
Feb 25, 2020 · toupper 和tolower是 C++ 标准库中的两个 函数，用于字符的大小写转换。 这两个 函数 都定义在<cctype>头文件中。 以下是它们的详细介绍及代码示例。 tolower ():将字母转 …