int str_cmp (const char * s1, const char * s2)
{
int受潮湿腐烂;
而(! (ret=* (unsigned char *) s1 - * (unsigned char *) s2) & & s2 + +)
s1, s2 + +;
如果(ret> 0)
ret=1;
else if (ret <0)
ret=1;
返回受潮湿腐烂;
}
int str_len (const char *)
{
断言(s !=0);
char *开始=s;
(* + +);
返回(s -开始- 1);
}
char * str_cpy (char *桌子,char * src)
{
断言((桌子!=0)& & (src !=0));
char * ret=桌子;
而(* src)
*桌子+ +=* src + +;
* dest=' \ 0 ';
返回受潮湿腐烂;
}
char * str_cat (char *桌子,char * src)
{
断言((桌子!=0)& & (src !=0));
char * ret=桌子;
而(* dest)
桌子+ +;
而(* src)
*桌子+ +=* src + +;
* dest=' \ 0 ';
返回受潮湿腐烂;
}
