t_free(3N) UNIX System V(Networking Support Utilities) t_free(3N)
NAME
tfree - free a library structure
SYNOPSIS
#include <tiuser.h>
int tfree(ptr, structtype)
char *ptr;
int structtype;
DESCRIPTION
The tfree function frees memory previously allocated by talloc. This
function will free memory for the specified structure, and will also free
memory for buffers referenced by the structure.
ptr points to one of the six structure types described for talloc, and
structtype identifies the type of that structure, which can be one of
the following:
TBIND struct tbind
TCALL struct tcall
TOPTMGMT struct toptmgmt
TDIS struct tdiscon
TUNITDATA struct tunitdata
TUDERROR struct tuderr
TINFO struct tinfo
where each of these structures is used as an argument to one or more
transport functions.
tfree will check the addr, opt, and udata fields of the given structure
(as appropriate), and free the buffers pointed to by the buf field of the
netbuf [see intro(3N)] structure. If buf is NULL, tfree will not
attempt to free memory. After all buffers are freed, tfree will free
the memory associated with the structure pointed to by ptr.
Undefined results will occur if ptr or any of the buf pointers points to
a block of memory that was not previously allocated by talloc.
On failure, terrno may be set to the following:
TSYSERR A system error has occurred during execution of this
function.
10/89 Page 1
t_free(3N) UNIX System V(Networking Support Utilities) t_free(3N)
SEE ALSO
intro(3N), talloc(3N)
Programmer's Guide: Networking Interfaces
DIAGNOSTICS
tfree returns 0 on success and -1 on failure and terrno is set to
indicate the error.
Page 2 10/89