int is_context_customizable(security_context_t scon);
DESCRIPTION
is_context_customizable
This function checks whether the type of scon is in the /etc/selinux/SELINUXTYPE/context/customizable_types file. A customizable type is a file context type that
administrators set on files, usually to allow certain domains to share the file content. restorecon and setfiles, by default, leave these context in place.
RETURN VALUE
returns 1 if security context is customizable or 0 if it is not.
returns -1 on error
