projects
/
unix-history
/ blob
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
tags
|
clone url
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
blame
|
history
|
raw
|
HEAD
Research V7 development
[unix-history]
/
usr
/
src
/
cmd
/
learn
/
learn.c
#include
"stdio.h"
#include
"lrndef"
#include
"lrnref"
#include
"signal.h"
main
(
argc
,
argv
)
char
*
argv
[];
{
extern
hangup
(),
intrpt
();
extern
char
*
getlogin
();
char
*
malloc
();
speed
=
0
;
more
=
1
;
pwline
=
getlogin
();
setbuf
(
stdout
,
malloc
(
BUFSIZ
));
selsub
(
argc
,
argv
);
signal
(
SIGHUP
,
hangup
);
signal
(
SIGINT
,
intrpt
);
while
(
more
) {
selunit
();
dounit
();
whatnow
();
}
wrapup
(
0
);
}
hangup
()
{
wrapup
(
1
);
}
intrpt
()
{
char
response
[
20
], *
p
;
signal
(
SIGINT
,
hangup
);
write
(
2
,
"
\n
Interrupt.
\n
Want to go on? "
,
28
);
p
=
response
;
*
p
=
'n'
;
while
(
read
(
0
,
p
,
1
) ==
1
&& *
p
!=
'
\n
'
)
p
++;
if
(
response
[
0
] !=
'y'
)
wrapup
(
1
);
ungetc
(
'
\n
'
,
stdin
);
signal
(
SIGINT
,
intrpt
);
}