tt_message_handler(3)
NAME
tt_message_handler − retrieve the handler attribute from a message
SYNOPSIS
#include <Tt/tt_c.h>
char ∗tt_message_handler(Tt_message m);
DESCRIPTION
The tt_message_handler() function retrieves the handler attribute from the specified message.
The m argument is the opaque handle for the message involved in this operation.
RETURN VALUE
Upon successful completion, the tt_message_handler() function returns the character value that uniquely identifies the process that is to handle the message (Tt_state= TT_CREATED or TT_SENT) or the process that did handle the message (Tt_state = TT_SENT or TT_HANDLED). The application can use tt_ptr_error(3) to extract one of the following Tt_status values from the returned pointer:
TT_OK
The operation completed successfully.
TT_ERR_NOMP
The ttsession(1) process is not running and the ToolTalk service cannot restart it.
TT_ERR_POINTER
The pointer passed does not point to an object of the correct type for this operation.
APPLICATION USAGE
The application should use tt_free(3) to free any data stored in the address returned by the ToolTalk API.
SEE ALSO
tt_c(5), tt_ptr_error(3), tt_free(3).
ToolTalk 1.3 — Last change: 1 March 1996