mescc: Remove last hardcodings for identifiers.
* module/language/c99/compiler.mes (ident->accu, ident->base):
Use local:ptr, type->size to remove hard coding of functionx, c1.
(expr->accu): Use type->size to remove hard coding of size byte.
(decl->type): Also handle typename, bail out if type not found.
(type->size): Print identifier and and bail out if type not found.
(formal:ptr): New function.
(formals->locals): Use it to set pointer value of parameter. WAS: 0.
(ast->info): Remove functionx hardcoding.
(getchar): Rename c1 to c.
* doc/examples/t.c: Test it.