Fuzzer: Adjust function declaration #1034

Job	Run time
build on ubuntu:24.04	1m 36s
build on fedora:39	1m 55s
build on ubuntu:23.10	1m 36s
Build dist with Linux	41s
build on fedora:40	1m 46s
build on ubuntu:22.04	1m 21s
build on ubuntu:20.04	1m 35s
build on debian:12	1m 31s
build on debian:11	1m 43s
Build MacOS release (macos-14-large, amd)	1m 21s
Build MacOS release (macos-latest-xlarge, arm)	48s
Build Windows release (windows-latest, x86)	8m 38s
Build Windows release (windows-latest, x64)	10m 37s
	35m 8s

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