open the network services database file
#include <netdb.h> void setservent( int stayopen );
The setservent() function opens and rewinds the network services database file. If the stayopen flag is nonzero, the network services database won't be closed after each call to getservbyname() or getservbyport().
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.
endservent(), getservbyname(), getservbyport(), getservent(), servent
/etc/services in the TCP/IP User's Guide