MOD_SPECIFIER
node->ctype.modifiers = target->ctype.modifiers & MOD_SPECIFIER;
if ((mod1 ^ mod2) & ~MOD_IGNORE & ~MOD_SPECIFIER)
type->ctype.modifiers &= ~MOD_SPECIFIER;
mod &= ~MOD_SPECIFIER;
#define MOD_TYPEOF (MOD_QUALIFIER | MOD_NOCAST | MOD_SPECIFIER)