Opens the /etc/networks file and sets the file marker.
#include <netdb.h>
void setnetent ( StayOpen)
int StayOpen;
Attention: Do not use the setnetent subroutine in a multithreaded environment.
The setnetent subroutine opens the /etc/networks file and sets the file marker at the beginning of the file.
| StayOpen | Contains a value used to indicate when to close the
/etc/networks file.
Specifying a value of 0 closes the /etc/networks file after each call to the getnetent subroutine. Specifying a nonzero value leaves the /etc/networks file open after each call. |
If an error occurs or the end of the file is reached, the setnetent subroutine returns a null pointer.
The setnetent subroutine is part of Base Operating System (BOS) Runtime.
All applications containing the setnetent subroutine must be compiled with _BSD set to a specific value. Acceptable values are 43 and 44. In addition, all socket applications must include the BSD libbsd.a library.
| /etc/networks | Contains official network names. |
The endnetent subroutine, getnetbyaddr subroutine, getnetbyname subroutine, getnetent subroutine.
Sockets Overview and Understanding Network Address Translation in AIX 5L Version 5.1 Communications Programming Concepts.