hylin2009的专栏

/* * min()/max() macros that also do * strict type-checking.. See the * "unnecessary" pointer comparison. */#define min(x,y) ({ / const typeof(x) _x = (x); / const typeof(y) _y = (y); / (void) (&_x ==

　　/*　　* min()/max() macros that also do　　* strict type-checking.. See the　　* "unnecessary" pointer comparison.　　*/　　#define min(x,y) ({ typeof(x) _x = (x); typeof(y) _y = (y); (void) (&_x == &_y); _x