FIXED_VALUE => 'c');
init_type ('case_idx', 'fixed', C_TYPE => 'size_t',
FIXED_VALUE => 'case_idx');
+ init_type ('dataset', 'fixed', C_TYPE => 'struct dataset *',
+ FIXED_VALUE => 'ds');
# One of these is emitted at the end of each expression as a sentinel
# that tells expr_evaluate() to return the value on the stack.