#define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
-extern const char **get_pathspec(const char *prefix, char **pathspec);
+extern const char **get_pathspec(const char *prefix, const char **pathspec);
extern const char *setup_git_directory(void);
-extern char *prefix_path(const char *prefix, int len, char *path);
+extern const char *prefix_path(const char *prefix, int len, const char *path);
#define alloc_nr(x) (((x)+16)*3/2)
#define ADD_CACHE_SKIP_DFCHECK 4 /* Ok to skip DF conflict checks */
extern int add_cache_entry(struct cache_entry *ce, int option);
extern int remove_cache_entry_at(int pos);
-extern int remove_file_from_cache(char *path);
+extern int remove_file_from_cache(const char *path);
extern int ce_same_name(struct cache_entry *a, struct cache_entry *b);
extern int ce_match_stat(struct cache_entry *ce, struct stat *st);
extern int ce_modified(struct cache_entry *ce, struct stat *st);