"Maciej W. Rozycki" <[EMAIL PROTECTED]> writes: > Besides, despite "sizeof(foo)" being a constant, you can't move a > comparison against it to cpp.
You can, Autoconf allows you to "check for size of foo", which gives you a SIZEOF_FOO preprocessor constant. Then you can write things like: #if SIZEOF_FOO == 4 /* Assume 32-bit foo */ #else /* Don't make that assumption */ #endif
