device_fd, /* Parallel device */
use_bc; /* Read back-channel data? */
int copies; /* Number of copies to print */
- size_t tbytes; /* Total number of bytes written */
+ ssize_t tbytes; /* Total number of bytes written */
struct termios opts; /* Parallel port options */
#if defined(HAVE_SIGACTION) && !defined(HAVE_SIGSET)
struct sigaction action; /* Actions for POSIX signals */