strlen() function in c counts the number of characters present in a string
Example of strlen() function
main( )
{
char arr[ ] = "Bamboozled" ;
int len1, len2 ;
en1 = strlen ( arr ) ;
len2 = strlen ( "Humpty Dumpty" ) ;
printf ( "\nstring = %s length = %d", arr, len1 ) ;
printf ( "\nstring = %s length = %d", "Humpty Dumpty", len2 ) ;
}
The output would be…
string = Bamboozled length = 10
string = Humpty Dumpty length = 13