memicmp

 原型：extern int memicmp(void *buf1, void *buf2, unsigned int count);
       
  用法：#include <string.h>
 
  功能：比较内存区域buf1和buf2的前count个字节但不区分字母的大小写。
 
  说明：memicmp同memcmp的唯一区别是memicmp不区分大小写字母。
        当buf1<buf2时，返回值<0
        当buf1=buf2时，返回值=0
        当buf1>buf2时，返回值>0
 
  举例：

      // memicmp.c
     
      #include <syslib.h>
      #include <string.h>

      main()
      {
        char *s1="Hello, Programmers!";
        char *s2="Hello, programmers!";
        int r;
       
        clrscr();
       
        r=memicmp(s1,s2,strlen(s1));
        if(!r)
          printf("s1 and s2 are identical");
        else
        if(r<0)
          printf("s1 less than s2");
        else
          printf("s1 greater than s2");
       

        getchar();
        return 0;
      }
 

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