213 string::string(const char *s1, int n1, const char *s2, int n2)  in string()  argument
224       memcpy(ptr, s2, n2);  in string()
228 	memcpy(ptr + n1, s2, n2);  in string()
233 int operator<=(const string &s1, const string &s2)  in operator <=()  argument
235   return (s1.len <= s2.len  in operator <=()
236 	  ? s1.len == 0 || memcmp(s1.ptr, s2.ptr, s1.len) <= 0  in operator <=()
237 	  : s2.len != 0 && memcmp(s1.ptr, s2.ptr, s2.len) < 0);  in operator <=()
240 int operator<(const string &s1, const string &s2)  in operator <()  argument
242   return (s1.len < s2.len  in operator <()
243 	  ? s1.len == 0 || memcmp(s1.ptr, s2.ptr, s1.len) <= 0  in operator <()
244 	  : s2.len != 0 && memcmp(s1.ptr, s2.ptr, s2.len) < 0);  in operator <()
247 int operator>=(const string &s1, const string &s2)  in operator >=()  argument
249   return (s1.len >= s2.len  in operator >=()
250 	  ? s2.len == 0 || memcmp(s1.ptr, s2.ptr, s2.len) >= 0  in operator >=()
251 	  : s1.len != 0 && memcmp(s1.ptr, s2.ptr, s1.len) > 0);  in operator >=()
254 int operator>(const string &s1, const string &s2)  in operator >()  argument
256   return (s1.len > s2.len  in operator >()
257 	  ? s2.len == 0 || memcmp(s1.ptr, s2.ptr, s2.len) >= 0  in operator >()
258 	  : s1.len != 0 && memcmp(s1.ptr, s2.ptr, s1.len) > 0);  in operator >()