/* Note:Your choice is C IDE */
#include "stdio.h"
#include"string.h"
void main()
{
   char min(char  pa[],char pb[],char pc[]);
    char a[10],b[10],c[10];
   
    printf("请输入三个字符串：");
    scanf("%s %s %s",a,b,c);
   
    printf("%s,%s,%s\n",a,b,c);
    min(a,b,c);
    printf("%s,%s,%s",a,b,c);
}

char min(char  pa[],char pb[],char pc[])
  {
      char *t;
      t=NULL;
  
      if(strcmp(pa,pb)>0)
        {
          t=pa;
          pa=pb;
          pb=t;
        }
        if(strcmp(pa,pc)>0)
         {
             t=pa;
             pa=pc;
          pc=t;
         }
        if(strcmp(pb,pc)>0)
         {
             t=pb;
             pb=pc;
             pc=t;
         }
         return 0;
  }