10-18-2005
C socket
I have been serching for a guide to unix C network programming everywhere but I have found only some tuorials, very useful but a little bit poors.
My question is if exist a network domain all over the world where C socket is treated with examples.
Programs i have looked into is hard to understand, They are too big
.
Thanks
P.S. unix network programming by Stevens is too expensive for my pockets
Last edited by Davide71; 10-18-2005 at 06:43 AM..
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LEARN ABOUT ULTRIX
getnetgrent
getnetgrent(3yp) getnetgrent(3yp)
Name
getnetgrent, setnetgrent, endnetgrent, innetgr - get network group entry
Syntax
innetgr(netgroup, machine, user, domain)
char *netgroup, *machine, *user, *domain;
setnetgrent(netgroup)
char *netgroup
endnetgrent()
getnetgrent(machinep, userp, domainp)
char **machinep, **userp, **domainp;
Description
The routine accesses the file and checks to see if the specified input parameters match an entry in the file. The routine returns 1 if it
matches an entry, or 0 if it does not. Any of the three strings; machine, user, or domain can be NULL, which signifies any string in that
position is valid.
The routine returns the next member of a network group. After the call, will contain a pointer to a string containing the name of the
machine part of the network group member, and similarly for userp and domainp. If machinep, userp or domainp is returned as a NULL
pointer, it signifies any string is valid. The routine allocates space for the name by using the routine. This space is released when an
call is made. The routine returns 1 if it succeeds in obtaining another member of the network group, or 0 if it reaches the end of the
group.
The routine establishes the network group from which will obtain members, and also restarts calls to from the beginning of the list. If
the previous call was to a different network group, an call is implied.
The routine releases the space allocated during the calls.
Files
/etc/netgroup
/etc/yp/domain/netgroup
/etc/yp/domain/netgroup.byuser
/etc/yp/domain/netgroup.byhost
getnetgrent(3yp)