Scanf question

[Eli Messinger]

I'm trying to scan a formatted line that looks like:

	ccssss(tab)number(tab)number(tab)number\n

Where c are single characters, and s is a >=0 character string.

Originally I tried using the format string:

	"%c%c%s%n%n%n"

which failed, as the %s string must be blank or \n terminated.  Next
I tried:

	"%c%c%[^\t]%n%n%n"

which failed when the string was null, since the [^\t] must apparently
match at least one character for the scanf to continue.

My only solution so far is to split the scan in two, scanning the first
three and last three parameters separately (searching for the tab in
between).  Anyone have a better suggestion?  Email please.
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