- off_t offset;
- struct ar_headers_s *next;
-} ar_headers_t;
-extern ar_headers_t *get_ar_headers(FILE *in_file);
-extern int seek_ared_file(FILE *in_file, ar_headers_t *headers, const char *tar_gz_file);
-
-typedef enum extract_function_e {
- extract_contents = 1,
- extract_control = 2,
- extract_info = 4,
- extract_extract = 8,
- extract_verbose_extract = 16,
- extract_list = 32,
- extract_fsys_tarfile = 64,
- extract_field = 128
-} extract_function_t;
-extern int deb_extract(const char *package_filename, int function, char *target_dir);
-extern char *untar(FILE *src_tar_file, FILE *output, const int untar_function, const char *argument);
-extern char *read_text_file_to_buffer(FILE *src_file);
-extern char *read_package_field(const char *package_buffer);
+ dev_t device;
+} file_header_t;
+file_header_t *get_header_ar(FILE *in_file);
+file_header_t *get_header_cpio(FILE *src_stream);
+file_header_t *get_header_tar(FILE *tar_stream);
+
+enum extract_functions_e {
+ extract_verbose_list = 1,
+ extract_list = 2,
+ extract_one_to_buffer = 4,
+ extract_to_stdout = 8,
+ extract_all_to_fs = 16,
+ extract_preserve_date = 32,
+ extract_data_tar_gz = 64,
+ extract_control_tar_gz = 128,
+ extract_unzip_only = 256,
+ extract_unconditional = 512,
+ extract_create_leading_dirs = 1024,
+ extract_quiet = 2048,
+ extract_exclude_list = 4096
+};
+char *unarchive(FILE *src_stream, FILE *out_stream, file_header_t *(*get_header)(FILE *),
+ const int extract_function, const char *prefix, char **extract_names);
+char *deb_extract(const char *package_filename, FILE *out_stream, const int extract_function,
+ const char *prefix, const char *filename);
+char *read_package_field(const char *package_buffer);
+char *fgets_str(FILE *file, const char *terminating_string);