01【文本处理】删除字符串尾部的回车符\r

/*****************************************************************************
Copyright: 2016, mushi.
File name: XXXXXX
Description: 删除字符串尾部的回车符\r
Author: 慕石
Version: v1.0
Date: 20160820
History: XXXXXX。
*****************************************************************************/
void delete_r(char* str)
{
char *substr_ptr;
substr_ptr= strstr(str, "\r\n");
if (NULL != substr_ptr)
{
*substr_ptr = '\0';
}
}