switch_to
#define switch_to(P,N,L) \
#define switch_to(prev, next, last) \
#define switch_to(prev,next,last) \
#define switch_to(prev, next, last) \
#define switch_to(p, n, r) do {\
#define switch_to(prev, next, last) \
#define switch_to(prev,next,last) do { \
#define switch_to(prev, next, last) \
#define switch_to(prev, next, last) \
#define switch_to(prev, next, last) \
#define switch_to(prev, next, last) do { \
#define switch_to(prev, next, last) ((last) = __switch_to((prev), (next)))
#define switch_to(prev, next, last) \
#define switch_to(prev, next, last) \
#define switch_to(prev, next, last) do { \
#define switch_to(prev, next, last) \
#define switch_to(prev, next, last) \
#define switch_to(prev,next,last) \
#define switch_to(prev, next, last) \