# define __GETCWD_XCONCAT(x, y) __GETCWD_CONCAT (x, y)
# define __GETCWD_ID(y) __GETCWD_XCONCAT (__GETCWD_PREFIX, y)
# define getcwd __GETCWD_ID (getcwd)
# define __GETCWD_XCONCAT(x, y) __GETCWD_CONCAT (x, y)
# define __GETCWD_ID(y) __GETCWD_XCONCAT (__GETCWD_PREFIX, y)
# define getcwd __GETCWD_ID (getcwd)