ref: fa2eda237bec91d222c22459601bfc995cc2d37f dir: /include/libc.h/
#include "lib.h" #define setmalloctag(a,b) #define qlock(x) ((void)(x)) #define qunlock(x) ((void)(x)) #define lock(x) ((void)(x)) #define unlock(x) ((void)(x))