>> [brk and sbrk, types]

> ANSI C allows for a 'void *' type; however, caddr_t (as char *)
> exists to allow both K&R C and ANSI C to compile properly.  K&R C
> doesn't know what void * is,

(thoguh to be fair, a lot of pre-ANSI and otherwise-K&R compilers do)

> but in both K&R and ANSI C, char * can be treated as a generic
> pointer.

Well, not quite; char * doesn't get the automatic conversion without
cast rules that void * does.

I think it's like this:

char *foo(int);
struct blop *x;
x = foo(10); /* warning permitted, maybe "at least one diagnostic" required */

but

void *foo(int);
struct blop *x;
x = foo(10); /* correct, must be silently accepted as if cast were there */

					der Mouse

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