Writes synchronously data to device or interface
[status, writeCount] = viWrite(session, buf)
a real.
number of bytes actually transferred.
unique logical identifier of a session.
a character string.
location of a data block to be sent to a device.
The viWrite() operation synchronously transfers data. The data to be written is in the buffer represented by buf. This operation returns only when the transfer is terminated. Only one synchronous write operation can occur at a time.