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GuruMeditation
Docs » Autodocs » amiga.lib » SetRexxVar

NAME

	SetRexxVar - Sets the value of a variable of a running ARexx program

SYNOPSIS

	error = SetRexxVar(message,varname,value,length)
	D0                 A0      A1      D0    D1
	LONG SetRexxVar(struct RexxMsg *,char *,char *,ULONG);

FUNCTION

	This function will attempt to the the value of the symbol
	varname in the ARexx script that sent the message.
	While this function is new in the V37 amiga.lib, it is safe to
	call it in all versions of the operating system.  It is also
	PURE code, thus usable in resident/pure executables.

NOTES

	This is a stub in amiga.lib.  It is only available via amiga.lib.
	The stub has two labels.  One, _SetRexxVar, takes the arguments
	from the stack.  The other, SetRexxVar, takes the arguments in
	registers.
	This routine does a CheckRexxMsg() on the message.

EXAMPLE

	char	*value;
	/* Message is one from ARexx */
	if (!SetRexxVar(rxmsg,"TheVar","25 Dollars",10))
	{
		/* The value of TheVar will now be "25 Dollars" */
	}

INPUTS

	message		A message gotten from an ARexx script
	varname		The name of the variable to set
	value		A string that will be the new value of the variable
	length		The length of the value string

RESULT

	error		0 for success, otherwise an error code.
			(Other codes may exists, these are documented)
			3  == Insufficient Storage
			9  == String too long
			10 == invalid message

SEE ALSO

SetRexxVar(), CheckRexxMsg()

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