herror

herror

Prints a Host Error Message

Portability: UNIX compatible

SYNOPSIS
DESCRIPTION
PORTABILITY
RELATED FUNCTIONS

SYNOPSIS

#include <netdb.h>

void herror(const char *string);

DESCRIPTION

herror writes an error message to stderr describing a failure in gethostbyname or gethostbyaddr . If string is not NULL , it is written first, followed by a colon, a space, and the error message corresponding to the h_errno value.

h_errno values and herrno text are as follows:

h_errno value herror text

HOST_NOT_FOUND Host not found

TRY_AGAIN Temporary failure, try later

NO_RECOVERY Nameserver failure

NO_DATA No data of this type associated with this name

NO_ADDRESS No address of this type associated with this name

`h_errno` value	`herror` text
`HOST_NOT_FOUND`	Host not found
`TRY_AGAIN`	Temporary failure, try later
`NO_RECOVERY`	Nameserver failure
`NO_DATA`	No data of this type associated with this name
`NO_ADDRESS`	No address of this type associated with this name

PORTABILITY

herror is portable to other environments, including most UNIX systems, that implement BSD sockets.

RELATED FUNCTIONS

gethostbyaddr , gethostbyname

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