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3.7.3. Publishing VSE's as Web Services
The Virtuoso distribution includes the sample VSE, bif_sample.c. It is thus possible to create a function such as:
.....
static caddr_t
bif_hello_world (caddr_t * qst, caddr_t * err_ret, state_slot_t ** args)
{
return box_dv_short_string ("Hello world.");
}
....
Then declare it in the init_func() by adding the following code:
...
bif_define_typed ("hello_world", bif_hello_world, &bt_any);
...
The next step is creating a stored procedure that calls this function and you are back to publishing a Virtuoso stored procedure again, as in the above section.
create procedure BIF_HELLO_WORLD () { return hello_world (); };
![[Tip]](images/tip.png)
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See Also: |
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The C Interface Chapter |