STACK_POP
op = STACK_POP(lms.lms_cexp_op_stack);
val = STACK_POP(lms.lms_cexp_val_stack);
val = STACK_POP(lms.lms_cexp_val_stack);
&STACK_POP(lms.lms_cdir_stack);
STACK_POP(vertex_stack, l_stack);
STACK_POP(vertex_stack, l_stack);
STACK_POP(vertex_stack, l_stack);
STACK_POP(vertex_stack, l_stack);
STACK_POP(vertex_stack, l_stack1);
STACK_POP(vertex_stack, l_stack1);
STACK_POP(vertex_stack, l_stack1);
STACK_POP(link_stack, l_stack);
STACK_POP(process_stack, p_stack);
STACK_POP(vertex_stack, l_dstack);