SCM_CLASS_SYS_FLOCK 60 ext/fcntl/fcntl.c SCM_SET_CLASS(f, SCM_CLASS_SYS_FLOCK); SCM_CLASS_SYS_FLOCK 91 ext/fcntl/fcntl.c return flock_allocate(SCM_CLASS_SYS_FLOCK, SCM_NIL); SCM_CLASS_SYS_FLOCK 50 ext/fcntl/gauche/fcntl.h #define SCM_SYS_FLOCK_P(obj) (SCM_XTYPEP(obj, SCM_CLASS_SYS_FLOCK))