text: #include "strand.h"
  int strncmp(char const *p, char const *q)
  {
  	while((*p)&&(n--))
  	{
  		if (*q == '\0')
  			return 1;
  		if (*p > *q)
  			return 1;
  		if (*p < *q)
  			return -1;
  		p++;
  		q++;
  	}
  	if (*q)
  		return -1;/* the order matters ! */
  	if (n==-1)
  		return 0;
  }