/*  ios.h  --  header for the input/output service module  */

#include <stdio.h>

extern FILE *  open_input_file  ( char filename [] );
extern FILE *  open_output_file ( char filename [] );
extern int     get_line         ( char ** start );
extern int     get_line_sure    ( char ** start );
extern void    err_command_line ( char usage [] );

/*  end of  ios.h  */