NAME

tt_otype_derived − return the ith otype derived from the given otype

SYNOPSIS

#include <Tt/tt_c.h>
char ∗tt_otype_derived(const char ∗otype,
int i);

DESCRIPTION

The tt_otype_derived() function returns the ith otype derived from the given otype.

The otype argument is the object type involved in this operation.  The i argument is the zero-based index into the otypes derived from the given otype. 

RETURN VALUE

Upon successful completion, the tt_otype_derived() function returns the name of the ith otype derived from the given otype. 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_OTYPE
The specified object type is not the name of an installed object type.

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_otype_is_derived(3), tt_otype_base(3), tt_otype_deriveds_count(3), tt_spec_type(3), tt_message_otype(3), tt_ptr_error(3), tt_free(3). 

ToolTalk 1.3  —  Last change: 1 March 1996