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/*
* Copyright (C) 2009-2012 the libgit2 contributors
*
* This file is part of libgit2, distributed under the GNU GPL v2 with
* a Linking Exception. For full terms see the included COPYING file.
*/
#ifndef INCLUDE_git_graph_h__
#define INCLUDE_git_graph_h__
#include "common.h"
#include "types.h"
#include "oid.h"
/**
* @file git2/graph.h
* @brief Git graph traversal routines
* @defgroup git_revwalk Git graph traversal routines
* @ingroup Git
* @{
*/
GIT_BEGIN_DECL
/**
* Count the number of unique commits between two commit objects
*
* @param ahead number of commits, starting at `one`, unique from commits in `two`
* @param behind number of commits, starting at `two`, unique from commits in `one`
* @param repo the repository where the commits exist
* @param one one of the commits
* @param two the other commit
*/
GIT_EXTERN(int) git_graph_ahead_behind(size_t *ahead, size_t *behind, git_repository *repo, const git_oid *one, const git_oid *two);
/** @} */
GIT_END_DECL
#endif
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