What does \0 mean in c++

In C, \0 represents the null character, used to mark the end of a string: \0 is an escape character, escaped with a backslash (). Use \0 as the terminator in a string to indicate the end of the string. \0 marks the end of a sequence of string characters so that programs can identify the range of the string.

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The meaning of \0 in C

In C, \0 is an escape character, which means null character. It is mainly used to mark the end of a string.

Escape character

The escape character is a special character that changes the normal meaning of the character. In C, use backslash () as the escape character.

\0 as the string terminator

A string is a sequence of characters. In C, strings are terminated with the null terminator \0. It represents the end of the string and tells the program where the string ends.

Example

The following example shows how to use \0 as a string terminator:

<code class="c++">const char *cstr = "Hello";</code>

In this example, the "Hello" string Ending with \0 indicates the end of the string.

Note

In C, strings are usually stored as codes, where characters are stored in contiguous memory locations and \0 marks the end of the string. Other languages ​​may use different string representations.

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