TTLSHeader fixed section

The TTLSHeader fixed section contains control information that describes the Set and Get requests that follow. The fixed section is defined by the TTLSHeader structure as shown in Table 1.

Table 1. TTLSHeader fixed section
Field	Offset	Length	Format	Description
TTLSHeaderIdent	0	8 bytes	EBCDIC	TTLSHeader identifier; set to TTLSHdr_Ident(EBCDIC 'TTLSHDR ')
TTLSHdrRsvd1	8	8 bytes	Binary	Reserved; set to 0
TTLSHdr_BytesNeeded	16	4 bytes	Binary	Length of the buffer needed to contain TTLSHeader, TTLSQuadruplet structures, data for Set requests, and data for Get requests. This value is set on return if all data does not fit in the buffer provided
TTLSHdr_SetCount	20	4 bytes	Binary	Number of Set requests in the buffer. Each Set request is represented by a TTLSQuadruplet
TTLSHdr_GetCount	24	4 bytes	Binary	Number of Get requests in the buffer. Each Get request is represented by a TTLSQuadruplet
TTLSHdrRsvd2	28	16 bytes	Binary	Reserved; set to 0