strlen

Overview :

The "strlen" is used for calculating the length of a string.

Syntax :

size_t strlen(const char *s);

Description :

The "strlen" function accepts 1 argument

char *s -> Pointer to a NULL terminated string.

The strlen() functions calculates the length of the string 's' by counting the number of bytes before the NULL('\0') character.

In C, strings are NULL terminated array of characters.

The 'strlen' function return number of characters in 's' excluding the NULL byte.

Example :

#include<iostream>
#include<string.h>
using namespace std;
 
int main()
{
  char str1[10],str2[10];
  
  cout<<"enter string 1 ";
  cin>>str1;
  strlen(str1);
   
cout<<strlen(str1);
    
  return 0;
}

CHERAUS

strlen

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