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Thread: notANumber in C? how?

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  1. Feb 2nd, 2003, 08:36 PM #1
    delta770
    delta770 is offline

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    notANumber in C? how?

    i've done VB programming, and java, but i'm new to C, and i was wondering how i would be able to read a valid input.

    if the user inputs an invalid number, how do i check for that? java there is a command called notANumber returns a boolean, (or something very similar)...is there an equivalent in c?


    also is there a way to check if the int entered is too large? i'm trying to do something using "sizeof()", but not sure what i can do with it...
    any other functions or expressions i could use?



    i'm trying to stay away from trying and catching exceptions...
    thanx in advance

    --770
    Last edited by delta770; Feb 2nd, 2003 at 08:46 PM.
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