68 strlen (const char *str)  in strlen()  argument
70   const char *start = str;  in strlen()
77   while (UNALIGNED (str))  in strlen()
79       if (!*str)  in strlen()
80 	return str - start;  in strlen()
81       str++;  in strlen()
86   aligned_addr = (unsigned long *)str;  in strlen()
92   str = (char *) aligned_addr;  in strlen()
96   while (*str)  in strlen()
97     str++;  in strlen()
98   return str - start;  in strlen()