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blob 4c8ffba4d63bc4f791483314e71dc2dc061522c8 272 bytes (raw)
name: ext/raindrops/my_fileno.h 	 # note: path name is non-authoritative(*)
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#include <ruby.h>
#include <ruby/io.h>

static int my_fileno(VALUE io)
{
	rb_io_t *fptr;

	if (TYPE(io) != T_FILE)
		io = rb_convert_type(io, T_FILE, "IO", "to_io");
	GetOpenFile(io, fptr);

	if (fptr->fd < 0)
		rb_raise(rb_eIOError, "closed stream");
	return fptr->fd;
}

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