tt_message_sender(3) — Subroutines
CDE
NAME
tt_message_sender − retrieve the sender attribute from a message
SYNOPSIS
#include <tt_c.h> char ∗tt_message_sender(Tt_message m);
DESCRIPTION
The tt_message_sender function retrieves the sender 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_sender function returns the character value that uniquely identifies the sending process. 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.