hstrerror()

Get error message string associated with the error return status

Synopsis:

#include <netdb.h>

const char* hstrerror( int err );

Library:

libsocket

Description:

The hstrerror() function gets an error message string associated with the error return status from network host-related functions.

Network host-related functions such as the following can return the error status:

• gethostbyaddr(), gethostbyaddr_r()
• gethostbyname(), gethostbyname_r()
• res_query()
• res_search()

You can check the external integer h_errno to see whether this is a temporary failure or an invalid or unknown host.

Returns:

A pointer to the message string affiliated with an error number. The array pointed to isn't to be modified by the program.

Classification:

Unix

See also:

h_errno, herror