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  1.  Home
  2. C400-L
  3. April 2014

First C program

Hi Barbara

Thank you. Yes I am guilty, I fell into a C pitfall. Also Paul warns
against this problem.

However I am not sure how I should code this.
I guess it should be
#define I03 2
which sets up array index 2 to look up the Indicator area.

Frank
On 2014-04-01 04:46, frank kolmann wrote:
I have coded my first C program.

One thing I noticed is that you have a numeric constant starting with zero.

#define I03 02

In C, when a numeric constant starts with zero, it's an octal constant (base 8). You're ok with 02 since it means 2 in both decimal and octal.

But if was a constant like 023, it would be 19 in octal (2*8 + 3)

Barbara Morris

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