int tar_extract_glob(TAR *t, char *globname,char *prefix);
int tar_append_tree(TAR *t, char *realdir,char *savedir);
This man page documents version 1.2 of libtar.
The tar_extract_all() function extracts all files from the tar
archive associated with the TAR handle t into the path
named by the prefix argument.
The tar_extract_glob() function extracts all files matching
the given glob pattern from the tar archive associated with the
TAR handle t into the path named by the prefix argument.
The tar_append_tree() function appends all files from the
directory tree named by realdir to the tar archive associated with
the TAR handle t. The pathnames stored in the tar archive
are modified by replacing realdir with savedir, so that the
files will be extracted into savedir.
On successful completion, these functions will return 0. On failure,
they will return -1 and set errno to an appropriate value.
These functions will fail under the same conditions that the
tar_skip_regfile(), tar_extract_regfile(), opendir(),
lstat(), or tar_append_file() functions fail.