Defined in 4 files as a macro:
- contrib/unbound/compat/arc4random.c, line 57 (as a macro)
- crypto/openssh/openbsd-compat/arc4random.c, line 64 (as a macro)
- lib/libc/gen/arc4random.c, line 58 (as a macro)
- tests/sys/cddl/zfs/bin/file_common.h, line 52 (as a macro)