DESCRIPTION¶
Test if the type of struct b is a base of struct s (the values of b and s are irrelevant). Results are:
- 0
bis not a base ofs, nor isbof equal type ass(thoughsmight be a base ofb).- 1
bis a true base ofs- 2
bandsare the same struct type
HISTORY¶
- introduced (3.3.344)