Installation guide

OS-9 V2.4 on EUROCOM-17 7 Additional Libraries
Software Manual 49
en_abort() Enable abort switch
❏ Synopsis:
int en_abort(cntrl)
int cntrl; /* 1: enables abort switch (*) */
/* 0: disables abort switch */
/* -1: read status only */
❏ Usage:
The en_abort() function enables or disables the abort switch at the
front panel.
If an error occurs, en_abort() returns -1 and the appropriate error
code is placed in the global variable errno. If no error occurs,
en_abort() returns the current status.
❏ See Also:
F$System system call
autoboot() Read autoboot setting
❏ Synopsis:
int autoboot()
❏ Usage:
The autoboot() function reads the autoboot jumper configuration.
If an error occurs, autoboot() returns -1 and the appropriate error
code is placed in the global variable errno. If no error occurs,
autoboot() returns zero if autoboot is disabled, and a one if autoboot
is enabled.
❏ See Also:
F$System system call