Python 3.1.5 unchecked return values in I O functions

List of files with possible unchecked return values in I/O functions

Python Version: 3.1.5

Source file: './Modules/_cursesmodule.c'

fseek(fp, 0, 0);
fseek(fp, 0, 0);

Source file: './Modules/mmapmodule.c'

lseek(fileno, 0, SEEK_SET);

Source file: './Modules/ossaudiodev.c'

ioctl(fd, SNDCTL_DSP_cmd, &arg)

Source file: './Modules/posixmodule.c'

closedir(dirp);
closedir(dirp);
closedir(dirp);
ioctl(slave_fd, I_PUSH, "ptem"); /* push ptem */
ioctl(slave_fd, I_PUSH, "ldterm"); /* push ldterm */
ioctl(slave_fd, I_PUSH, "ttcompat"); /* push ttcompat */

Source file: './Modules/signalmodule.c'

write(wakeup_fd, "\0", 1);
ioctl(s->sock_fd, FIONBIO, (caddr_t)&block, sizeof(block));
ioctl(s->sock_fd, FIONBIO, (unsigned int *)&block);
fcntl(s->sock_fd, F_SETFL, delay_flag);

Source file: './Modules/zipimport.c'

fseek(fp, -22, SEEK_END);
fseek(fp, header_offset, 0);  /* Start of file header */
fseek(fp, header_offset + 10, 0);
fseek(fp, header_offset + 42, 0);
fseek(fp, file_offset, 0);
fseek(fp, file_offset + 26, 0);

Source file: './Parser/intrcheck.c'

write(2, message, strlen(message));

Source file: './Python/import.c'

fseek(fp, 4L, 0);
lseek(fd, 0, 0); /* Reset position */

Source file: './Python/traceback.c'

lseek(fd, 0, 0); /* Reset position */