isatty (Debugging with GDB)
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Gdb/docs/latest/gdb/isatty
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isatty
- Synopsis:
int isatty(int fd);
- Request:
‘
Fisatty,fd
’- Return value:
Returns 1 if
fd
refers to the GDB console, 0 otherwise.- Errors:
EINTR
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 needed.