int compare(const char * str1,const char * str2 ){ int t = 0 ;while( ! (t = *(unsigned char *)str1 - *(unsigned char *)str2) && *str2)//就是這一行str1++, str2++;if ( t < 0 ) t = -1 ;else if ( t > 0 ) t = 1 ;return( t ); }
我想問一下while那一行如何理解？
慕碼人2483693
2022-08-12 18:14:06
