
       double stb_GetHoldSlack(StabilityFigure *fig, char *signame, char dir);

DDEESSCCRRIIPPTTIIOONN
       Returns the hold slack value of a given signal. If  there  is  no  hold
       slack value, -1 is returned.

AARRGGUUMMEENNTTSS
       ffiigg           Pointer on a stability figure

       ssiiggnnaammee       Name of the signal to consider

       ddiirr           _u, _d or _?; reports slack value for a given transition

