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T_STRERROR(3NSL) Networking Services Library Functions T_STRERROR(3NSL)

NAME

t_strerror - produce an error message string

SYNOPSIS

#include <xti.h>

const char *t_strerror(int errnum);

DESCRIPTION

This routine is part of the XTI interfaces which evolved from the TLI
interfaces. XTI represents the future evolution of these interfaces.
However, TLI interfaces are supported for compatibility. When using a
TLI routine that has the same name as an XTI routine, the tiuser.h
header file must be used. Refer to the TLI COMPATIBILITY section
for a description of differences between the two interfaces.

The t_strerror() function maps the error number in errnum that
corresponds to an XTI error to a language-dependent error message
string and returns a pointer to the string. The string pointed to
will not be modified by the program, but may be overwritten by a
subsequent call to the t_strerror function. The string is not
terminated by a newline character. The language for error message
strings written by t_strerror() is that of the current locale. If it
is English, the error message string describing the value in t_errno
may be derived from the comments following the t_errno codes defined
in <xti.h>. If an error code is unknown, and the language is English,
t_strerror() returns the string:

"<error>: error unknown"

where <error> is the error number supplied as input. In other
languages, an equivalent text is provided.

VALID STATES

ALL - apart from T_UNINIT.

RETURN VALUES

The function t_strerror() returns a pointer to the generated message
string.

TLI COMPATIBILITY

The XTI and TLI interface definitions have common names but use
different header files. This, and other semantic differences between
the two interfaces are described in the subsections below.

Interface Header

The XTI interfaces use the header file, xti.h. TLI interfaces should
not use this header. They should use the header:
#include <tiuser.h>

ATTRIBUTES