Subj : Re: Fixed-width data reading from FILE/streams
To   : borland.public.cpp.borlandcpp
From : maeder@glue.ch (Thomas Maeder [TeamB])
Date : Mon Feb 09 2004 08:49 am

Bob Gonder <notbg@notmindspring.invalid> writes:

>> For instance, here is two typical lines:
>>
>>0091 This is a test 4.56 1.03
>>0096 This also..            1035
>
> And those numbers aren't integers or floats, they are text strings.
> If you want to treat them as numbers, you need to  convert them from
> strings into numbers.
>
> int Val1 = atoi(record.firstval);
> float Val2 = atof(record.secondval) ;

The Standard C and C++ Libraries have better replacements of the ato*
functions: strtol, strtoul, strtof, strtod. They are better because they
allow the caller to detect parsing failures.

.