比较字符串 忽略大小写

[c]代码库

#include <string.h> 
#include <stdio.h> 

int main(void) 
{ 
   char *buf1 = "BBB", *buf2 = "bbb"; 
   int ptr; 

   ptr = stricmp(buf2, buf1); 

   if (ptr > 0) 
      printf("buffer 2 is greater than buffer 1\n"); 

   if (ptr < 0) 
      printf("buffer 2 is less than buffer 1\n"); 

   if (ptr == 0) 
      printf("buffer 2 equals buffer 1\n"); 

   return 0; 
}