zmemzero          241 lib/libz/zutil.h    extern void zmemzero OF((Bytef* dest, uInt len));
zmemzero          105 net/zlib.c        extern void zmemzero OF((Bytef* dest, uInt len));
zmemzero          589 net/zlib.c         zmemzero((charf *)s->head, (unsigned)(s->hash_size-1)*sizeof(*s->head));