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Research PDP7 development
[unix-history]
/
lcase.b
main $(
auto ch;
extrn read, write;
goto loop;
while (ch != 04)
$( if (ch > 0100 & ch < 0133)
ch = ch + 040;
if (ch==015) goto loop;
if (ch==014) goto loop;
if (ch==011)
$( ch = 040040;
write(040040);
write(040040);
$)
write(ch);
loop:
ch = read()&0177;
$)
$)