flock              62 anacron/lock.c     struct flock sfl;
flock              70 src/externs.h  extern	int		flock(int, int);
flock              80 src/misc.c     # define trylock_file(fd)      flock((fd), LOCK_EX|LOCK_NB)
flock              83 src/misc.c     	struct flock fl;