Man pages matching name seccomp_export_bpf in section 3:

seccomp_export_bpf.3.en	debian 10 / libseccomp-dev
seccomp_export_bpf.3.en	debian 11 / libseccomp-dev
seccomp_export_bpf.3.en	debian 12 / libseccomp-dev