sd_dhcp_client_set_vendor_class_identifier  661 src/network/networkd-dhcp4.c                 r = sd_dhcp_client_set_vendor_class_identifier(link->dhcp_client,
sd_dhcp_client_set_vendor_class_identifier   56 src/systemd/sd-dhcp-client.h int sd_dhcp_client_set_vendor_class_identifier(sd_dhcp_client *client, const char *vci);