Re: Calling Scheme procedure from C ?

[Andreas Rottmann]

"wangy01" <address@hidden> writes:

> I want to make a Scheme call "(write 10)" from my C code. I wrote:
>  proc = scm_c_lookup("write");
>  scm_apply(proc, SCM_MAKINUM(10), scm_listofnull);
> but guile said:
>         ERROR: In procedure apply:
>         ERROR: Wrong type argument in position 1: #<variable 8096d70
> binding: #<primitive-procedure write>>
> , then I tried:
>  proc = scm_c_lookup("write");
>  scm_apply(proc, scm_cons(SCM_MAKINUM(10)), scm_listofnull);
> guile printed the same error messages again.
>
> What should I do?
>
Some code snippet, HTH:

,----
|   SCM mod_ref_proc = scm_c_lookup("module-ref");
|   if (SCM_FALSEP(mod_ref_proc))
|     return 0;
|   SCM mod = scm_apply(
|           scm_variable_ref(mod_ref_proc),
|           scm_list_3(sobj_, scm_str2symbol(name.c_str()), SCM_BOOL_F),
|           SCM_EOL);
`----

Regards, Andy
-- 
Andreas Rottmann         | address@hidden      | address@hidden | address@hidden
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