/*
** Make a guess at whether or not the requestor is a mobile device or
** a desktop device (narrow screen vs. wide screen) based the HTTP_USER_AGENT
** parameter.  Return true for mobile and false for desktop.
**
** Caution:  This is only a guess.
**
** Algorithm derived from https://developer.mozilla.org/en-US/docs/Web/
** HTTP/Browser_detection_using_the_user_agent#mobile_device_detection on
** 2021-03-01
*/
int user_agent_is_likely_mobile(void){
  const char *zAgent = P("HTTP_USER_AGENT");
  if( zAgent==0 ) return 0;
  if( sqlite3_strglob("*droid*", zAgent)==0 ) return 1;
  if( sqlite3_strglob("*mobile*", zAgent)==0 ) return 1;
  if( sqlite3_strglob("*iOS*", zAgent)==0 ) return 1;
  if( strstr(zAgent,"Mobi")!=0 ) return 1;
  if( sqlite3_strglob("*iPhone*", zAgent)==0 ) return 1;
  return 0;
}

/*
** COMMAND: test-ishuman
**
** Read lines of text from standard input.  Interpret each line of text