Man pages matching name selinux_file_context_cmp in section 3:

selinux_file_context_cmp.3.en	debian 10 / libselinux1-dev
selinux_file_context_cmp.3.en	debian 11 / libselinux1-dev
selinux_file_context_cmp.3.en	debian 12 / libselinux1-dev