th_read(3)

NAME
th_read, th_write - read and write a file header block from a tar archive

SYNOPSIS
#include <libtar.h>

int th_read(TAR *t); int th_write(TAR *t);

VERSION
This man page documents version 1.2 of libtar.

DESCRIPTION
The th_read() function reads the next block from the tar archive associated with the TAR handle t. It then sets the current tar header associated with t to the contents of the block read. The th_write() function writes the contents of the current tar header associated with t to the tar archive associated with t.

RETURN VALUE
On successful completion, th_read() and th_write() will return 0. On failure, they will return -1 and set errno to an appropriate value.

ERRORS
th_read() and th_write() will fail if:

EINVAL
    Less than T_BLOCKSIZE blocks were read or written.

SEE ALSO
tar_block_read(3), tar_block_write(3)