Find Length of String Using Library Function

Find Length of String Using Library Function

#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
char str[100];
int len;
printf("\nEnter the String : ");
gets(str);
len = strlen(str);
printf("\nLength of Given String : %d",len);
getch();
}

Explain me ?

1. strlen function is Used to Compute Length of String
2. strlen function is included in Header File : string.h

Functions Required :

• gets : For Accepting String
• puts : For Displaying String
• strlen : String Function for Computing Length

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• explain the working on strlen() function (1)