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main() => input(">>> ") |> print();
define INPUT_BUF_SIZE = 256;
global input_buf[INPUT_BUF_SIZE] = 0;
input(prompt) {
local i = 0;
local c;
print(prompt);
loop {
if (i >= INPUT_BUF_SIZE)
return input_buf;
red &c;
if (c == 0x7f) {
// backspace
if (i > 0) {
i = i - 1;
[input_buf + i] = 0;
wrt '\r';
print(prompt);
print(input_buf);
wrt ' ';
}
} else
[input_buf + i++] = c;
wrt '\r';
print(prompt);
print(input_buf);
if (c == '\n')
return input_buf;
}
return input_buf;
}
print(s) {
loop {
if ([s] == 0)
return;
wrt [s];
s = s + 1;
}
}
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