tt_otype_is_derived(3)

NAME
     tt_otype_is_derived - indicate the otype derivations

SYNOPSIS
     #include <Tt/tt_c.h>
     int tt_otype_is_derived(const char *derivedotype,
                             const char *baseotype);

DESCRIPTION
     The tt_otype_is_derived() function specifies whether the derived otype is
     derived directly or indirectly from the base otype.

     The derivedotype argument is the specified derived otype.  The baseotype
     argument is the specified base otype.

RETURN VALUE
     Upon successful completion, the tt_otype_is_derived() function returns 1
     if the derivedotype is derived directly or indirectly from baseotype;
     otherwise, it returns zero.

     The application can use tt_int_error(3) to extract one of the following
     Tt_status values from the returned integer:

        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.

SEE ALSO
     Tttt_c(5), tt_otype_deriveds_count(3), tt_otype_base(3),
     tt_otype_derived(3), tt_spec_type(3), tt_message_otype(3),
     tt_int_error(3).