STRNCPY()

char *strncpy(char *destination, char *source, int n);

strncpy (string, ptr, 3);



 * makes a copy of a maximum n characters taken from the string pointed to by 
   source and stores them in the location pointed to by destination
    -  if source contains fewer characters than n, all of them are copied. the 
       finishing null character is only added to the copied string if this character 
       is in n range