HomeSYNOPSIS
result = string.cstr(s [, i [, j]])
DESCRIPTION
Returns the substring s[i], s[i+1], ···,
s[j] truncated at the first NUL character (if any).
The default value for
i is 1; the default value for j is the number of characters in s.
RETURN VALUE
Returns a string.
EXAMPLE
>
print(string.cstr("1234\x005678")
1234