str_cmp1.cpp

来自「数据结构常用算法合集」· C++ 代码 · 共 20 行

 //str_cmp1.cpp
 #include <iostream.h>				//cin,cout
 #include <conio.h>				//getch()
 #include <string.h>
 void main()
 { char *buf1 = "aaabbb", *buf2 = "bbbccc", *buf3 = "ccc";
   int ptr;
   ptr = strncmp(buf2,buf1,3);		//比较前三个字符
   if (ptr > 0)
   cout<<"buffer 2 大于 buffer 1\n";
   else
   cout<<"buffer 2 小于 buffer 1\n";
   ptr = strncmp(buf2,buf3,3);
   if (ptr > 0)
   cout<<"buffer 2 大于 buffer 3\n";
   else
   cout<<"buffer 2 小于 buffer 3\n";
   getch();
 }