expand_path
static char *expand_path(const char *);
path = expand_path(opt);
new_path = expand_path(path);
expand_path(path);
orig_basedir = expand_path(adm_basedir);
orig_basedir = expand_path(basedir);
orig_basedir = expand_path(basedir);
orig_basedir = expand_path(basedir);
static char *expand_path(char *path);