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From: Andy Tai <atai@atai.org>
To: help-guix@gnu.org
Subject: dereferencing C pointer at scheme level
Date: Sun, 12 May 2024 11:51:17 -0700	[thread overview]
Message-ID: <CAJsg1E8OaBm5XttQQF95W96hBVLMkNc4mg+cvfdy_FsxFMYs+A@mail.gmail.com> (raw)

Hi, a question on access to C pointer in scheme:

if a C function returning a pointer is wrapped and accessed from scheme code,

int64_t * func() {
    int64_t *p = make_new_pointer();
   *p = // something

   return p;
}

in scheme (GNU guile)
(set! p (func))

it is possible to see that p is now a pointer.  How to dereference the
pointer to get the value it points to, in guile, on the scheme side?
Thanks


             reply	other threads:[~2024-05-12 18:52 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-12 18:51 Andy Tai [this message]
2024-05-12 21:53 ` dereferencing C pointer at scheme level Andy Tai

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