Function alpm_option_set_cachedirs

pub unsafe extern "C" fn alpm_option_set_cachedirs(
    handle: *mut alpm_handle_t,
    cachedirs: *mut alpm_list_t,
) -> c_int

Sets the cachedirs. @param handle the context handle @param cachedirs a char* list of cachdirs. The list will be duped and the original will still need to be freed by the caller. @return 0 on success, -1 on error (pm_errno is set accordingly)