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tt_message_create(3)

CDE

NAME

tt_message_create - create a new message object

SYNOPSIS

#include <tt_c.h> Tt_message tt_message_create(void);

DESCRIPTION

The tt_message_create function creates a new message object. The ToolTalk service returns a message handle that is an opaque pointer to a ToolTalk structure.

RETURN VALUE

Upon successful completion, the tt_message_create function returns the unique opaque handle that identifies the message object. The application can use tt_ptr_error(3) to extract one of the following Tt_status values from the returned handle: 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_PROCID The process identification is not valid.

APPLICATION USAGE

A return value of TT_ERR_PROCID implies that tt_open(3) was not issued before tt_message_create. If the ToolTalk service is unable to create a message when requested, tt_message_create returns an invalid handle. When the application attempts to use this handle with another ToolTalk function, the ToolTalk service will return TT_ERR_POINTER.

SEE ALSO

tt_c.h(5), tt_open(3), tt_message_send(3), tt_message_destroy(3)

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