Description of solution:
You have strings with format Vm.n.o where m,n, and o are alphameric
expressions of a number.
Convert these strings to format Vx.y.z where x, y, and z are numeric
expressions numbers (one byte length will be plenty if binary, two if
BCD))
In other words, you need a function that returns the numeric value of a
number expressed a a string of alphameric digits. Didn't have to be
binary, binary coded decimal also would work.
Whenever you can, break a problem into small easily tested steps. Here,
the "guts" is to come up with a function that applied to a string which
is the alphameric representation of a number returns a string that is a
NUMERIC representation of that number.
'nix users -- It's been too many years since I've looked at "the
library of standard utilities" so for all I know, the function is
already there. But in the spirit of the original Ritchie book (where
exercises were writing your own version of utilities), if not, write
such a function as an exercise.
Michael
PS: Hint needed? Again just logic/pseudocode ---- Set num to 0; Do
until end of string; nun = 10*num + num value of first char, string =
rest of string
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