member of \ref my_enum_t otherwise */my_enum_tcheck_value(void){return MY_OK;}对常量或数字使用符号(' NULL ' => NULL)/** * \brief Get data from input array * \param[in] in: Input data * \return Pointer to output data on success...
Backslash \? Literal question mark \ooo ASCII character in octal notation \xhh ASCII character in hexadecimal notation \xhhhh Unicode character in hexadecimal notation if this escape sequence is used in a wide-character constant or a Unicode string literal. For example, WCHAR f = L'\x4e00' or...
#include的参数无论是用""还是<>括起来,都如同一个字符串,里面的注释不会被识别,宏也不会展开。但是不同于字符串的是,backslash不再有转义作用,而是一个单纯的字符'\'。 在这一行,文件名参数后面除了注释外不能有任何其他内容。 只包含一次 Once-Only Headers 如果一个头文件被include两次,编译器就会处理两次...
The pointer(s) passed to these routines must be nonzero and each pointer must point to the initial character in a null-terminated array. Some of these functions write to a string they are passed. These functions assume that the array to which they write is large enough to hold whatever ch...
\\ Insert backslash \? Insert question mark : How to Create a String in the C Language One of the ways to declare a string is to create a character array of type char or unsigned char of a certain size, as follows: char str [50]; str = "Hello World"; In this way, the compiler...
To represent a double quotation mark in a string literal, use the escape sequence \". The single quotation mark (') can be represented without an escape sequence. The backslash (\) must be followed with a second backslash (\\) when it appears within a string. When a backslash appears ...
A backslash immediately before a newline has long been used to continue string literals, as well as preprocessing command lines. In the interest of easing machine generation of C, and of transporting code to machines with restrictive physical line lengths, the C89 Committee generalized this mechani...
Character constant: A character enclosed in single quotation marks 转义字符：以反斜线(\)开头的字符序列来描述特定的控制字符 Escape Character: A sequence of characters that begins with a backslash () to describe a specific control character 字符输入函数getchar()：从键盘读字符 Character input function ...
// 单行注释 29 BACKSLASH, // 折行注释 30 CODE_CHAR, // 字符 31 CHAR_ESCAPE_SEQUENCE, // 字符中的转义字符 32 CODE_STRING, // 字符串 33 STRING_ESCAPE_SEQUENCE// 字符串中的转义字符 34 }; 35 36 /** 37 * @function 删除代码中的注释,以String形式返回 38 * @param strToHandle 待删除...
PHP string function addcslashes() ❮ Prev Next ❯ In PHP, the addcslashes() function is used to add a backslash before certain characters in a string. This function is useful for escaping special characters in a string, which may be required in various situations....