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30 .\" @(#)initgroups.3 8.1 (Berkeley) 6/4/93
37 .Nd initialize supplementary group IDs
43 .Fn initgroups "const char *name" "gid_t basegid"
50 function to calculate the supplementary group IDs for the user
53 This group list is then set up for the current process using
57 is automatically included in the group list.
58 Typically this value is given as
59 the group number from the password file.
61 If the groups database lists more than
67 the later groups are ignored.
72 returns \-1 if it was not invoked by the super-user.
86 uses the routines based on
88 If the invoking program uses any of these routines,
89 the group structure will
90 be overwritten in the call to