setnetent()

Updated: April 19, 2023

Open the network name database file

Synopsis:

#include <netdb.h>

void setnetent( int stayopen );

Arguments:

stayopen
Nonzero if you don't want the network database to be closed after each call to getnetbyname() or getnetbyaddr().

Library:

libsocket

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

Description:

The setnetent() function opens and rewinds the network name database file.

Files:

/etc/networks
Network name database file.

Classification:

POSIX 1003.1

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

Caveats:

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