...
void set_initial_caps(void)
{
    apply_caps(cap_keep_startup,
               sizeof(cap_keep_startup) / sizeof(cap_value_t));
}
...

...
cap_value_t cap_keep_startup[] = {
    CAP_SETGID,
    CAP_SETUID,
    CAP_CHOWN,
    CAP_NET_BIND_SERVICE,
    CAP_SYS_CHROOT,
    CAP_SYS_NICE,
    CAP_NET_ADMIN,
    CAP_DAC_READ_SEARCH
};

cap_value_t cap_keep_login[] = {
# ifndef WITH_PRIVSEP
#  ifndef HAVE_SYS_FSUID_H
    CAP_SETUID,
#  endif
    CAP_NET_BIND_SERVICE,
# endif
    CAP_NET_ADMIN
};
...