* Copyright (C) 2005 iptelorg GmbH
  * This file is part of ser, a free SIP server.
  * ser is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
  * the Free Software Foundation; either version 2 of the License, or
  * (at your option) any later version
  * For a license to use the ser software under conditions
  * other than those described here, or to purchase support for this
  * software, please contact by e-mail at the following addresses:
  * ser is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * GNU General Public License for more details.
  * You should have received a copy of the GNU General Public License
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 #ifndef __SIMPLE_STR_H
 #define __SIMPLE_STR_H
 #ifdef __cplusplus
 extern "C" {
 /* If compiled for SER, use ser internal strings ! */
 #ifdef SER
 #include "str.h"	
 typedef str str_t;
 typedef struct {
 	char *s;
 	int len;
 } str_t;
 #define FMT_STR(str)	(str).len,((str).s ? (str).s : "")	
 /** transalate zero-terminated string to str_t (both uses the input buffer!)*/
 str_t zt2str(char *str);
 /** returns 1 if the string is empty */
 int is_str_empty(const str_t *s);
 /** duplicate string into given destination */
 int str_dup(str_t* dst, const str_t* src);
 /** duplicate string into newly allocated destination */
 str_t *str_dup_new(const str_t* src);
 /** duplicate zero-terminated string */
 int str_dup_zt(str_t* dst, const char* src);
 /** duplicate zero-terminated string to zero-terminated string */
 char *zt_strdup(const char*src);
 /** frees string content if allocated */
 void str_free_content(str_t *s);
 /** frees string content if allocated and then the string itself */
 void str_free(str_t *s);
 /** case sensitive comparation - returns 0 if equal, nonzero otherwise */
 int str_case_equals(const str_t *a, const str_t *b);
 /** case insensitive comparation - returns 0 if equal, nonzero otherwise */
 int str_nocase_equals(const str_t *a, const str_t *b);
 /** compare str_t and zero terminated string */
 int str_cmp_zt(const str_t *a, const char *b); /* renamed sz_cmp */
 /** is b prefix of a */
 int str_prefix(const str_t *a, const str_t *b); /* ss_start */
 /* #define ss_cmp(const str_t *a, const str_t *b) ((a->len == b->len)?sz_cmp(a, b->s):(-1)) */
 void str_clear(str_t *s);
 /** locate character in string */
 char *str_strchr(const str_t *s, char c);
 #ifdef __cplusplus