/***  strsort() -- Shell sort an array of string pointers via strcmp()**  Written in ANSI C and optimized for size under Borland TC and BC++.****  Public domain by Raymond Gardner 12/05/91   :-)**  based on a public domain version by Thad Smith 12/05/91,**  based on a public domain version by**  Ray Gardner   Denver, CO   12/88*/#include <string.h>#include "snipsort.h"void STRSORT(char **v, unsigned n){      register unsigned int gap;      unsigned int i, j;      register char **a;      char **b;      gap = 0;      do      {            gap <<= 1;      } while (++gap < n);      while ((i = (gap >>= 1)) != 0)      {            for ( ; (j = i) < n; i++)            {                  a = v + j;                  do                  {                        j -= gap;                        b = a;                        a -= gap;                        if (strcmp(*a, *b) > 0)                        {                              register char *tmp;                              tmp = *a;                              *a = *b;                              *b = tmp;                        }                        else  break;      /* better have this break! */                  } while (j >=  gap);            }      }}