text: #define _GNU_SOURCE
  #include <netdb.h>
  
  static const char msgs[] =
  	"Host not found\0"
  	"Try again\0"
  	"Non-recoverable error\0"
  	"Address not available\0"
  	"\0Unknown error";
  
  const char *hstrerror(int ecode)
  {
  	const char *s;
  	for (s=msgs, ecode--; ecode && *s; ecode--, s++) for (; *s; s++);
  	return *s ? s : s+1;
  }
  