| GETNETGRENT(3) | Library Functions Manual | GETNETGRENT(3) | 
getnetgrent, innetgr,
  setnetgrent, endnetgrent
  —
#include <netgroup.h>
int
  
  getnetgrent(const
    char **host, const char
    **user, const char
    **domain);
int
  
  innetgr(const
    char *netgroup, const
    char *host, const char
    *user, const char
    *domain);
void
  
  setnetgrent(const
    char *netgroup);
void
  
  endnetgrent(void);
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 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.
    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.
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.
getnetgrent() returns pointers to
  dynamically allocated data areas that are free'd when the function
  endnetgrent() is called.
| January 16, 1999 | NetBSD 9.4 |