Defines starting with `v' in kernserv

• VOL_CHECK_MSG_ID kernserv/insertmsg.h:51
• VOL_MSG_ID kernserv/insertmsg.h:50
• VOL_PANEL_CANCEL kernserv/insertmsg.h:54
• VOL_PANEL_REQ kernserv/insertmsg.h:52
• VOL_PANEL_RESP kernserv/insertmsg.h:53
• VP_STRING_LEN kernserv/insertmsg.h:136