open the network name database file
#include <netdb.h> void setnetent( int stayopen );
The setnetent() function opens and rewinds the network name database file. If the stayopen flag is nonzero, the network database won't be closed after each call to getnetbyname() or getnetbyaddr().
POSIX 1003.1g (draft)
Safety: | |
---|---|
Interrupt handler | No |
Signal handler | No |
Thread | No |
This function uses static data; if the data is needed for future use, it should be copied before any subsequent calls overwrite it.
endnetent(), getnetbyaddr(), getnetbyname(), getnetent(), netent
/etc/networks in the TCP/IP User's Guide