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#include <netdb.h>
(host, user, domain)that defines a combination of host, user and domain. Any of the three fields may be specified as ``wildcards'' that match any string.
The function getnetgrent() sets the three pointer arguments to the strings of the next member of the current netgroup. If any of the string pointers are NULL that field is considered 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. The setnetgrent() function 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.
/etc/netgroup | |
netgroup database file | |
GETNETGRENT (3) | June 5, 2016 |
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