Man pages matching name gss_krb5_ccache_name in section 3:

gss_krb5_ccache_name.3.en	debian 10 / heimdal-dev
gss_krb5_ccache_name.3.en	debian 11 / heimdal-dev
gss_krb5_ccache_name.3.en	debian 12 / heimdal-dev