C Program to Find Length of a String Using strlen() Function1 min read

In this section, we will write a C program to find the length of a string using strlen() function. But before, you may go through the following topic in C programming.

The program will take the user input for the string. To find the length of a string, we use the built-in string function called strlen(). This function is present in the string.h header file.

C Program to Find Length of a String Using strlen() Function

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// C program to find length of the string using strlen() function
#include <stdio.h>
 
int main()
{
   char str[30];
   int length;
 
   printf("Enter a string: ");
   scanf("%s", str);
 
   length = strlen(str);
 
   printf("Length of %s is %d", str, length);
   return 0;
}

Output:

Enter a string: simple2code
Length of simple2code is 11

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