data: The reference address of the data to be printed.
index: The offset of the address of the item to be printed from the reference address, in
units of the size of the declared type.
type: The type of the data, specified by one of the constants (defined in
SDDS.h) SDDS_LONGDOUBLE, SSDDS_DOUBLE, SDDS_FLOAT, SDDS_LONG,
SDDS_ULONG, SDDS_SHORT, SDDS_USHORT, or SDDS_CHARACTER.
format: A NULL-terminated character string giving a printf format specification for
printing the data. If NULL, a reasonable default is chosen.
fp: The FILE stream to which to print the data.
return value: Returns 1 on success. On failure, returns 0 and records an error message.