gethostent()

Updated: April 19, 2023

Read the next line of the host database file

Synopsis:

#include <netdb.h>

struct hostent * gethostent( void );

Library:

libsocket

Use the -l socket option to qcc to link against this library.

Description:

The gethostent() routine reads the next line in the host database file.

Returns:

A pointer to a valid hostent structure, or NULL if an error occurs.

Files:

/etc/hosts
Host database file.
/etc/resolv.conf
Resolver configuration file.

Classification:

POSIX 1003.1

Safety:  
Cancellation point Yes
Interrupt handler No
Signal handler No
Thread No

Caveats:

This function uses static data storage; if you need the data for future use, copy it before any subsequent calls overwrite it.

Currently, this function understands only the Internet address format.