ac> Hi there.  Why does emx/gcc disallow the modification of
ac> string constants?  Or more to the point - why does ANSI/ISO
ac> C disallow this?  Tnx.

The reason for this is that if you have declared a string constant, the
¨compiler is permitted to place the constant in read-only data segments.
In the case of PC's this may be the code segment.  In the case of mainframes
it alsmost certainly will be in the code segment.  For those mainframe that
support code and data separation, such as Tandems, code is by definition,
read-only and an execution (rather than the preferable compile-time) error
will occur.  Allowinf the compiler to put things into the code, rather than
¨the data segment, has implications for datasegment usage, and is
absoulutely ¨vital if you are trying to write Rom-able code.
John

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