Open System Services Library Calls Reference Manual (G06.27+, H06.04+)

OSS Library Calls (g - h) getpass(3)
[EIO] One of the following conditions exists:
• The process is a background process that is attempting to read from its
controlling terminal.
• The process is ignoring or blocking the SIGTTIN signal.
• The process group has become an orphaned process group.
[EMFILE] OPEN_MAX file descriptors are currently open in the calling process. No more
file opens can occur.
[ENFILE] Too many files are currently open in the processor.
[ENXIO] The process does not have a controlling terminal.
FILES
/dev/tty Specifies the controlling terminal.
RELATED INFORMATION
Functions: fopen(3).
Files: termios(4), tty(7).
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