tt_message_arg_val - ment
#include <Tt/tt_c.h> char *tt_message_arg_val(Tt_message m, int n);
tt_message_arg_val(3) ToolTalk Functions tt_message_arg_val(3)
NAME
tt_message_arg_val - return a pointer to the value of a message argu-
ment
SYNOPSIS
#include <Tt/tt_c.h>
char *tt_message_arg_val(Tt_message m,
int n);
DESCRIPTION
The tt_message_arg_val() function returns a pointer to the value of the
nth message argument.
The m argument is the opaque handle for the message involved in this
operation. The n argument is the number of the argument to be
returned. The first argument is numbered zero.
RETURN VALUE
Upon successful completion, the tt_message_arg_val() function returns
the contents for the message argument. 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_NUM
The integer value passed was invalid (out of range).
TT_ERR_POINTER
The pointer passed does not point to an object of the cor-
rect type for this operation.
APPLICATION USAGE
The application can use tt_free(3) to free any data stored in the
address returned by the ToolTalk API.
ATTRIBUTES
See attributes(7) for descriptions of the following attributes:
+---------------+------------------+
|ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------+------------------+
|Availability | library/tooltalk |
+---------------+------------------+
|Stability | Committed |
+---------------+------------------+
SEE ALSO
tt_c(5), tt_ptr_error(3), tt_free(3).
ToolTalk 1.3 1 March 1996 tt_message_arg_val(3)