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C++ String length()

This function is used to find the length of the string in terms of bytes.

This is the actual number of bytes that conform the contents of the string , which is not necessarily equal to the storage capacity.

Syntax

Parameters

This function contains single parameter.

Return Value

This function returns the integer value in terms of bytes.

Here, s1 is a string and strlen function calculates the length of the string s1 and stores its value in len variable.

Example 1

Output:

Length of the string is 21

Consider a string s1 and s1 contains value i.e Welcome to javatpoint .We calculate the length of the string using strlen function and stores in variable len.


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