Man pages matching name gss_krb5_import_ccache in section 3:

gss_krb5_import_ccache.3.en	debian 10 / heimdal-dev
gss_krb5_import_ccache.3.en	debian 11 / heimdal-dev
gss_krb5_import_ccache.3.en	debian 12 / heimdal-dev