C++ strlen() Function

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C++ strlen()

The strlen() function determines the length of the given string.

This function is defined in <cstring> header file.

Example

C++ Compiler
#include <iostream> #include <cstring> using namespace std; int main() { char str[50] = "wikimass.com"; long len; len = strlen(str); cout << "Length of " << str << " is " << len; return 0; }

Syntax

size_t strlen(const char *str)

Parameter Values

ValueTypeExplanation
str Required A string.

Return Value

ValueExplanation
Number (long int) Returns the length of the given string.

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