$ cc -O2 -Wall -o bios_ss_null_deref_replica bios_ss_null_deref_replica.c
bios_ss_null_deref_replica.c: In function 'main':
bios_ss_null_deref_replica.c:82:11: warning: variable 'off_hdr' set but not used [-Wunused-but-set-variable]
  uint32_t off_hdr, off_tbl;
           ^~~~~~~
BUILD2_OK
(build rc=0)