编辑代码

#include "seqlist.h"
typedef struct
{   datatype key;
    int  address;
    }   indexnode;
    int IndexSeqSearch(seqlist l,indexnode index [],int m,datatype key)
    { int i=0,j,last;
    while (i<m && key>index[i].key) i++;
    if (i>=m) return -1;
       else 
       {  if (i==m-1)  j=1.len-1;
          else j=index[i+1].address-1; 
          while (j>=index[i].address && key!=1.data[j])
          j--;
          if  (j<index[i].address)  return -1;
          else  return j;
          }
           }