Programming problems with INT / FLOAT

I got a problem with datatypes float and int.
I'm just developing a c-program on HP-UX with the gcc-compiler. 'cause i have not ever been done an ORACLE-access before, i has started with the "cdemo2.c" - example from the oracle-demo-dircetory in version 8.0.4.
in the DB there's a column with NUMBER-TYPE, but when i call the oci-function (or what ever it is) "odescr()", the variable "scale" (which is supposed to differentiate between FLOAT_TYPE and INT_TYPE) always is set to "0". this variable should be set to anything else but "0" if a FLOAT_TYPE is detected, but it isn't.
what I do wrong ???
How can I know the exact datatype, when a NUMBER_TYPE in the DB appears ???
if there is a better way to realize an oracle-access in C, please don't wait to tell it to me
many thanks
null

You basically got it. Another approach is to always work on the rightmost digit; that way you'll always be dividing, mod'ing, or multiplying by 10.
You don't need to know the length of anything to use a for loop. Remember that a for loop has 4 parts: the initialization, the conditional, the "update", and the body. (There are probably more correct names for these that I can't recall right now.) The conditional and the update tend to be length checks and increments only because for loops are commonly used over arrays or strings, but they don't have to be.
Another hint: how do you know when you're done pulling the digits out of the source number? What is the value of the source number when you're done?

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