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myrxdll.def
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1995-08-17
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(*$DLL *)
DEFINITION MODULE MyRxDLL;
(**************************************************************************
OS/2 2.x/Warp Modula-2 sample REXX-DLL.
Copyright (c) 1995 by Anthony Busigin.
**************************************************************************)
TYPE
STRING = ARRAY[0..254] OF CHAR;
PSTRING = POINTER TO STRING;
RXSTRING = RECORD
strlen : LONGCARD;
strptr : PSTRING;
END;
PRXSTRING = POINTER TO RXSTRING;
(*$CDECL+*)
(*-------------------------------------------------------------------*)
(* REXX procedure to call DosSleep function for a specfied duration *)
(* in milliseconds. *)
(* Usage: CALL RxDelay 100 *)
(*-------------------------------------------------------------------*)
PROCEDURE RXDELAY ( VAR func : ARRAY OF CHAR;
argc : LONGCARD;
pargv : PRXSTRING;
VAR que : ARRAY OF CHAR;
VAR ret : RXSTRING) : LONGCARD;
(*-------------------------------------------------------------------*)
(* REXX procedure to constrain a number within a specified range. *)
(* Usage: xclipped = RxClipRange( x, xmin, xmax ) *)
(*-------------------------------------------------------------------*)
PROCEDURE RXCLIPRANGE ( VAR func : ARRAY OF CHAR;
argc : LONGCARD;
pargv : PRXSTRING;
VAR que : ARRAY OF CHAR;
VAR ret : RXSTRING) : LONGCARD;
(*-------------------------------------------------------------------*)
(* REXX procedure to convert a string to upper case. *)
(* Usage: s = RxUpperCase( "abHmL7" ) *)
(* result is s = "ABHML7" *)
(*-------------------------------------------------------------------*)
PROCEDURE RXUPPERCASE( VAR func : ARRAY OF CHAR;
argc : LONGCARD;
pargv : PRXSTRING;
VAR que : ARRAY OF CHAR;
VAR ret : RXSTRING) : LONGCARD;
END MyRxDLL.