/*static char *SCCSID = "@(#)comsub.h	8.2 87/02/13";*/
/******************** START OF SPECIFICATIONS ************************/
/*								     */
/* SOURCE FILE NAME: COMSUB.H					     */
/*								     */
/* DESCRIPTIVE NAME: COMMON SUBROUTINE INCLUDE FILE		     */
/*								     */
/* FUNCTION:							     */
/*								     */
/*								     */
/* NOTES:							     */
/*								     */
/* ENTRY POINTS:  NONE						     */
/*								     */
/* EXTERNAL REFERENCE:	NONE					     */
/*								     */
/* RELEASE:							     */
/*								     */
/*    VERSION	 DATE		REASON				     */
/*								     */
/*     1.00    03/10/1986    initial version			     */
/*     1.01    03/11/1986    define external pointer to invalid      */
/*			     argument string (CORA's request)        */
/*     1.02    03/18/1986    external declaration of "computmsg"     */
/*			     parm 1 : char far * -> char far **      */
/*     1.03    03/24/1986    delete "comverflnm" related decralation */
/*			     change "int" to "unsigned"              */
/*     1.04    03/25/1986  - add function external declaration of    */
/*			     "comcheckdosver"                        */
/*			   - delete "far" declaration.               */
/*     2.00    04/15/1986    the first intigration version	     */
/*     2.01    05/21/1986  - add "extern rctomid()"                  */
/*     2.02    05/22/1986  - add DBCS common routines		     */
/*     2.03    06/17/1986  - add "com_toupper" and "com_tolower"     */
/*     2.04    06/18/1986  - comment out SCCSID tag		     */
/*     2.05    06/25/1986  - add filehandle enabling switch	     */
/*     2.06    08/07/1986  - add new routine "realopen"              */
/*     2.07    02/13/1987  - add "cm_trace_cmd_flg".                 */
/*********************************************************************/

/*************************************
 *				     *
 *  external function declaration    *
 *				     *
 *************************************/

extern unsigned comgetarg (
	unsigned *,	   /* number of arguments		    */
	char **,	   /* pointer array of original arguments   */
	char **,	   /* pointer of argument unit character    */
			   /* storage				    */
	unsigned,	   /* depth of new argument pointer array   */
	char *, 	   /* broken down argument character buffer */
	unsigned,	   /* size of argument character buffer     */
	char *, 	   /* current defualt drive name	    */
	char *);	   /* switching character		    */
/*
 * print a message and get a response
 */
extern unsigned computmsg (
	char **,	   /* table of variables  to insert	  */
	unsigned,	   /* number of variables to insert	  */
	unsigned,	   /* message id			  */
	char *, 	   /* message file name 		  */
	unsigned,	   /* output device type		  */
	unsigned,	   /* response type			  */
	char *, 	   /* response data area		  */
	unsigned);	   /* size of response data area	  */
/*
 *  verify correct DOS version
 */
extern unsigned comcheckdosver();

/*
 *  return code conversion to message id
 */
extern unsigned rctomid(
	unsigned);	   /* return code to converted to msg id */

/*
 *  open drive in real mode
 */
extern unsigned far pascal REALOPEN(
	char far *,	   /* pointer to drive name */
	unsigned far *,    /* pointer to drive handle */
	unsigned);	   /* open mode */

/*****************************************/
/*					 */
/*	   DBCS common subroutine	 */
/*					 */
/*****************************************/
/*
 *   search the first substring occurrence in a string
 */
extern unsigned char
*com_substr(
   unsigned char *,	      /* source string */
   unsigned char *);	      /* target string */

/*
 *   search the last charater occurrence in a string
 */
extern unsigned char
*com_strrchr(
   unsigned char *,	      /* source string */
   unsigned char );	     /* target string */

/*
 *   compare two strings with regard to case
 */
extern int
com_strcmpi(
  unsigned char *,	      /* source string	       */
  unsigned char *);	      /* string to be compared */

/*
 *   convert a string to uppercase
 */
extern unsigned char
*com_strupr(
   unsigned char *);	      /* string to be converted */

/*
 *   convert a string to lowercase
 */
extern unsigned char
*com_strlwr(
   unsigned char *);	      /* string to be converted */

/*
 *   search the first occurrence of a character in a string
 */
extern char *com_strchr(
   unsigned char *,	      /* a source string */
   unsigned char );	      /* a character to be searched */

/*
 *   convert character to uppercase
 */
extern int com_toupper(
   unsigned char );	      /* character to be converted to uppercase */

/*
 *   convert character to lowercase
 */
extern int com_tolower(
   unsigned char );	      /* character to be converted to lowercase */

/*************************************
 *				     *
 *   external variable declaration   *
 *				     *
 *************************************/
extern unsigned cm_invalid_parm_pointer;  /* points to first detected	 */
					  /* invalid argument string	 */

extern char cm_flhandle_enable_sw;    /* enable filehandle input for	     */
				      /* computmsg routine		     */
				      /*				     */
				      /* if this switch is on (non-zero),    */
				      /* filehandle can be set in devicetype.*/

extern char cm_trace_cmd_flg;	      /* ignore drive validity check.	     */
				      /*   if it set to 1, COMGETARG does    */
				      /*   not check drive validity.	     */