NAME

t_error − Produces error message

LIBRARY

XTI Library (libxti.a)

SYNOPSIS

#include <xti.h>

int t_error(

char ∗errmsg) ;

extern char ∗t_errlist[] ;

extern int t_nerr ;

PARAMETERS

The t_errno() function can be called in any transport provider state except T_UNINIT. The following table summarizes the relevance of input parameter data before and after t_error() is called:

Notes to table:

yThis is a meaningful parameter.
nThis is not a meaningful parameter.

errmsg Points to a user-supplied error message character string that lends proper context to the nature of the detected error. 

DESCRIPTION

The t_error() function is a general utility function used to produce an error message on the standard error output device. The error message describes the last error encountered during execution of an XTI function.  The user-supplied error message is printed, followed by a colon and a standard error message for the current error defined in t_errno.  When t_errno is [TSYSERR], t_error() also prints a standard error message for the current value contained in errno.  The error number, t_errno, is set only when an error occurs and is not cleared when XTI functions execute successfully. 

To simplify variant formatting of messages, the array of message strings named t_errlist is specified. Variable t_errno may be used as an index into this table to get a relevant message string without an ending newline character. External variable t_nerr specifies the maximum number of messages in the t_errlist table. 

RETURN VALUE

Upon successful completion, a value of 0 (zero) is returned. Otherwise, a value of -1 is returned and t_errno is set to indicate an error. 

ERRORS

If the t_error() function fails, t_errno is set to the following value:

[TNOTSUPPORT]
This function is not supported on the current implementation of XTI.

RELATED INFORMATION

Functions: t_accept(3), t_alloc(3), t_bind(3), t_close(3), t_connect(3), t_free(3), t_getinfo(3), t_getstate(3), t_listen(3), t_look(3), t_open(3), t_optmgmt(3), t_rcv(3), t_rcvconnect(3), t_rcvdis(3), t_rcvrel(3), t_rcvudata(3), t_rcvuderr(3), t_snd(3), t_snddis(3), t_sndrel(3), t_sndudata(3), t_sync(3), t_unbind(3)