Parameters

*
To omit this positional parameter when using the HELP keyword.
tcp_header_address
The address of the TCP header or an IPCS symbol.
tcp_control_block_address
The address of a TCP/IP TCP control block or an IPCS symbol.
skdb_address
The address of an SKDB control block or an IPCS symbol.
skmb_address
The address of an SKMB control block or an IPCS symbol.
size
The amount of data to display. If the size is greater than the size of the header, the variable portion of the header (if it exists) is displayed. Must be one to three hexadecimal digits.
HELP
Display TCPHDR usage and syntax information.
ALL
Displays help about the function, operands, and syntax information for the TCPHDR command. ALL is the default.
FUNCTION
Display only function help information.
OPERANDS
Display only operands help information.
SYNTAX
Display only syntax help information.
Rule: If you specify multiple keywords from the set {ALL, FUNCTION, OPERANDS, SYNTAX}, all of the keywords that you specify are used.