diff options
Diffstat (limited to 'sys/tty/ttygeti.x')
-rw-r--r-- | sys/tty/ttygeti.x | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/sys/tty/ttygeti.x b/sys/tty/ttygeti.x new file mode 100644 index 00000000..95384df3 --- /dev/null +++ b/sys/tty/ttygeti.x @@ -0,0 +1,27 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +# TTYGETI -- Get an integer valued capability. If the capability is not +# found for the device, or cannot be interpreted as an integer, zero is +# returned. Integer capabilities have the format ":xx#dd:". + +int procedure ttygeti (tty, cap) + +pointer tty # tty descriptor +char cap[ARB] # two character capability name +int ival +pointer ip +int tty_find_capability(), ctoi() + +begin + if (tty_find_capability (tty, cap, ip) == NO) + return (0) + else if (Memc[ip] != '#') + return (0) + else { + ip = ip + 1 # skip the '#' + if (ctoi (Memc, ip, ival) == 0) + return (0) + else + return (ival) + } +end |