LWRES_HSTRERROR

Section: C Library Functions (3)
Updated: Jun 30, 2000
Index
Return to Main Contents

NAME

lwres_herror, lwres_hstrerror - lightweight resolver error message generation

SYNOPSIS

#include <lwres/netdb.h>
void lwres_herror(const char *s);

const char * lwres_hstrerror(int err);

DESCRIPTION

lwres_herror() prints the string s on stderr followed by the string generated by lwres_hstrerror() for the error code stored in the global variable lwres_h_errno.

lwres_hstrerror() returns an appropriate string for the error code gievn by err. The values of the error codes and messages are as follows:

NETDB_SUCCESS: Resolver Error 0 (no error)
HOST_NOT_FOUND: Unknown host
TRY_AGAIN: Host name lookup failure
NO_RECOVERY: Unknown server error
NO_DATA: No address associated with name

RETURN VALUES

The string Unknown resolver error is returned by lwres_hstrerror() when the value of lwres_h_errno is not a valid error code.