int isatty(int fd);
- Return value:
- Returns 1 if fd refers to the gdb console, 0 otherwise.
- The call was interrupted by the user.
Note that the
isatty call is treated as a special case: it returns
1 to the target if the file descriptor is attached
to the gdb console, 0 otherwise. Implementing through system calls
would require implementing
ioctl and would be more complex than