removed unnecessary code in some initialization code.

added errnum to some open functions

qse/samples/sed/sed01.c

@@ -17,7 +17,7 @@ static int sed_main (int argc, qse_char_t* argv[])
 	}
 
 	/* create a sed object */
-	sed = qse_sed_openstd (0);
+	sed = qse_sed_openstd (0, QSE_NULL);
 	if (sed == QSE_NULL)  
 	{
 		qse_fprintf (QSE_STDERR, QSE_T("ERROR: cannot open sed\n"));

qse/samples/sed/sed02.c

@@ -17,7 +17,7 @@ static int sed_main (int argc, qse_char_t* argv[])
 	}
 
 	/* create the sed object */
-	sed = qse_sed_openstd (0);
+	sed = qse_sed_openstd (0, QSE_NULL);
 	if (sed == QSE_NULL)  
 	{
 		qse_fprintf (QSE_STDERR, QSE_T("ERROR: cannot open sed\n"));

qse/samples/sed/sed03.c

@@ -23,7 +23,7 @@ static int sed_main (int argc, qse_char_t* argv[])
 	int ret = -1;
 
 	/* create the sed object */
-	sed = qse_sed_openstd (0);
+	sed = qse_sed_openstd (0, QSE_NULL);
 	if (sed == QSE_NULL)  
 	{
 		qse_fprintf (QSE_STDERR, QSE_T("ERROR: cannot open sed\n"));