#include <stdio.h>
#include <string.h>
 
int main ()
{
 
    char s1 [20] = {"Some String"};  /* test string */
    int retVal;  /* holds return value */
 
    printf ("The string at the start of array s1 has a size of %d \n", strlen (s1));
    printf ("The empty string has a size of %d \n", strlen (""));
    printf ("String with just a single space character, size is %d \n", strlen (" "));
    printf ("Two special characters in a string, size is %d \n", strlen ("\007\n"));
 
    retVal = strlen (s1) + 10; /* 11 + 10 */
 
 
    return (0);
} 

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