Introduce newmlarg as alternative to mlreply.

Rewrite gotoline accordingly.

basic.c

@@ -90,21 +90,22 @@ int gotoeol(int f, int n)
  *
  * @n: The specified line position at the current buffer.
  */
-int gotoline(int f, int n)
+int gotoline( int f, int n) {
-{
-	int status ;
-	char arg[ NSTRING] ; /* Buffer to hold argument. */
-
 	/* Get an argument if one doesnt exist. */
 	if( f == FALSE) {
-		status = mlreply( "Line to GOTO: ", arg, sizeof arg) ;
+		int status ;
+		char *arg ;	/* Buffer to hold argument. */
+
+		status = newmlarg( &arg, "Line to GOTO: ", 0) ;
 		if( status != TRUE) {
 			mloutstr( "(Aborted)") ;
 			return status ;
 		}
 
 		n = atoi( arg) ;
+		free( arg) ;
 	}
+
 	/* Handle the case where the user may be passed something like this:
 	 * em filename +
 	 * In this case we just go to the end of the buffer.

input.c

@@ -146,6 +146,10 @@ int mlreply( const char *prompt, char *buf, int nbuf) {
     return nextarg( prompt, buf, nbuf, nlc) ;
 }
 
+int newmlarg( char **outbufref, const char *prompt, int size) {
+	return newnextarg( outbufref, prompt, size, nlc) ;
+}
+
 int newmlargt( char **outbufref, const char *prompt, int size) {
 	return newnextarg( outbufref, prompt, size, metac) ;
 }

input.h

@@ -24,6 +24,7 @@ extern const int nlc ;	/* end of input char */
 
 int mlyesno( const char *prompt) ;
 int mlreply( const char *prompt, char *buf, int nbuf) ;
+int newmlarg( char **outbufref, const char *prompt, int size) ;
 int newmlargt( char **outbufref, const char *prompt, int size) ;
 int ectoc( int c) ;
 fn_t getname( void) ;