SndWrite

Syntax
	int SndWrite(int fid, `struct SndData` *snd);
Header
	superdarn/sndwrite.h
Library
	snd
Description
	The `SndWrite` function writes a `snd` data record to an open file. The data is written to the file with the descriptor given by the argument fid. If fid is set to (-1) then the function will just calculate the number of bytes required to store the data. The data record is contructed from the `snd` data structure pointed to by the argument snd.
Returns
	Returns the number of bytes written on success. On error, (-1) is returned.
Errors
	On error, (-1) is returned.
Example
	None