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NetBSD 6.1.5 - man page for endnetgrent (netbsd section 3)

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GETNETGRENT(3)			   BSD Library Functions Manual 		   GETNETGRENT(3)

     getnetgrent, innetgr, setnetgrent, endnetgrent -- netgroup database operations

     Standard C Library (libc, -lc)

     #include <netgroup.h>

     getnetgrent(const char **host, const char **user, const char **domain);

     innetgr(const char *netgroup, const char *host, const char *user, const char *domain);

     setnetgrent(const char *netgroup);


     These functions operate on the netgroup database file which is described in netgroup(5).

     The database defines a set of netgroups, each made up of one or more triples:

	   (host, user, domain)

     that defines a combination of host, user and domain.  Any of the three fields may be speci-
     fied as ``wildcards'' that match any string.

     The function getnetgrent() sets the three pointer arguments to the strings of the next mem-
     ber of the current netgroup.  If any of the string pointers are NULL that field is consid-
     ered a wildcard.

     The functions setnetgrent() and endnetgrent() set the current netgroup and terminate the
     current netgroup respectively.  If setnetgrent() is called with a different netgroup than
     the previous call, an implicit endnetgrent() is implied.  setnetgrent() also sets the offset
     to the first member of the netgroup.

     The function innetgr() searches for a match of all fields within the specified group.  If
     any of the host, user, or domain arguments are NULL those fields will match any string value
     in the netgroup member.

     The function getnetgrent() returns 0 for ``no more netgroup members'' and 1 otherwise.  The
     function innetgr() returns 1 for a successful match and 0 otherwise.  The functions
     setnetgrent() and endnetgrent() have no return value.

     /etc/netgroup  netgroup database file

     netgroup(5), nsswitch.conf(5)

     The function getnetgrent() returns pointers to dynamically allocated data areas that are
     free'd when the function endnetgrent() is called.

BSD					 January 16, 1999				      BSD
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