These are just some suggestions, not hard and fast rules. However,
following them makes everyone's life easier (IMHO).
-- Elliot

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Functions should return 0 upon success, and an error code upon failure

Use the glib types whenever appropriate.

Use the g_new/g_new0/g_malloc/g_strdup/g_free functions. Use
GMemChunk's whenever possible, especially when allocating lots of
fixed-size memory blocks (see allocators.h and allocator-defs.h for memory chunk stuff).

If you have both a structure and a typedef mapping onto that structure, name the
structure typename_struct, e.g.
struct MyType_struct { ... };
typedef struct MyType_struct MyType;
<Aside: it's nice to do this if you can, but I'm not sure the CORBA spec
allows us to do it for IDL structures translated into the C mapping...?
Does the CORBA spec require 

typedef struct foo {
} foo;

?
>

Macros should be in uppercase as much as is sane, to distinguish them
from regular functions.

If you can, use the _ to separate parts of a function name
(ORBit_typename_foo instead of ORBitTypenameFoo() ).

If possible, name functions of the form:
namespace_typename_method()