Re: [Dev-C++] Dev-cpp-users Digest, Vol 23, Issue 11

[Per W. <pw...@ia...>]

It is a bit hard to know which thread you are answering, since you didn't
edit the subject line.

Is it about file-based configuration?

/pwm

On Sun, 4 May 2008 Geo...@ao... wrote:

> Take a look at this information from "The C Programming Language by  K&R".
> Page 148.
>
> Unions may hold objects of different types and sizes, with the compiler
> keeping track of size and alignment requirements.
>
> struct {
>     char *name;
>     int flags;
>     int utype;     //  Use utype to indicate what the variable type is.....
>     union u_tag {
>         int      ival;
>         float  fval;
>         char *sval;
>     } u;
> } symtab[NSYM];
>
> the member ival is referred to as symtab[i].u.ival
> the first character of the string sval by either of *symtab[i].u.sval or
> symtab[i].u.sval[0]
>
> u is large enough to hold the largest of the three types; the specific size
> is implementation-dependent.
>
> if        (utype ==  INT)        Do Something;
> else if (utype == FLOAT)   Do Something;
> else if (utype == STRING) Do Something;
> else  Do Something;
>
> I typed it in fast so check it out.  Hope this gives you a clue.
>
> George
>
>
>
>
>
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