IS_CMD_STAT_HDR 1766 drivers/usb/serial/io_edgeport.c if (IS_CMD_STAT_HDR(edge_serial->rxHeader1)) { IS_CMD_STAT_HDR 114 drivers/usb/serial/io_ionsp.h #define IS_DATA_HDR(Byte1) (!IS_CMD_STAT_HDR(Byte1))