Files Reference

cb_clear_struct Structure for X.25

Purpose

Used by the x25_call_clear and x25_receive subroutines to pass the clear cause and diagnostic values, called and calling addresses, facilities information, and user data.

Syntax

#define X25FLG_CAUSE        ;0x00000001
#define X25FLG_DIAGNOSTIC   0x00000002
#define X25FLG_CALLED_ADDR  0x00000004
#define X25FLG_CALLING_ADDR 0x00000008
#define X25FLG_CB_FAC       0x00000010
#define X25FLG_USER_DATA    0x00000020


struct cb_clear_struct
{
  unsigned long flags;
  u_char cause;
  u_char diagnostic;
  char *called_addr;
  char *calling_addr;
  struct cb_fac_struct *cb_fac;
  int user_data_len;
  u_char *user_data;
};

Flags

X25_FLG_CAUSE	Indicates that the `cause` field is used.
X25_FLG_DIAGNOSTIC	Indicates that the `diagnostic` field is used.
X25_FLG_CALLED_ADDR	Indicates that the `called_addr` field is used.
X25_FLG_CALLING_ADDR	Indicates that the `calling_addr` field is used.
X25_FLG_CB_FAC	Indicates that the `cb_fac` field is used.
X25_FLG_USER_DATA	Indicates that the `user_data` field is used.

Fields

`flags`	Notification to the API that the associated field has been used.
`cause`	Cause value to be inserted in clear packet.
`diagnostic`	Diagnostic reason to be inserted in packet.
`called_addr`	Pointer to the network user address (NUA) of the called data terminal equipment (DTE). The address is given in ASCIIZ format.
`calling_addr`	Pointer to the NUA of the calling DTE. The address is given in ASCIIZ format.
`cb_fac`	Pointer to the facilities information in the cb_fac_struct structure.
`user_data_len`	Length of user-data field.
`user_data`	Pointer to user data. This can be used only if "fast select" has been requested in the call-request packet.

Related Information

The x25sdefs.h file.

The cb_call_struct structure, cb_fac_struct structures.