Section (3) initgroups
initgroups — initialize the supplementary group access list
#include <sys/types.h> #include <grp.h>
||const char *user,|
initializes the group access list by reading the group
/etc/group and using
all groups of which
user is a member. The
group is also added to the
must be non-NULL.
returns 0 on success. On error, −1 is returned, and
errno is set appropriately.
Insufficient memory to allocate group information structure.
The calling process has insufficient privilege. See the underlying system call setgroups(2).
For an explanation of the terms used in this section, see attributes(7).
||Thread safety||MT-Safe locale|
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Copyright 1993 David Metcalfe (davidprism.demon.co.uk)
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Linux libc source code
Lewine_zsingle_quotesz_s _POSIX Programmer_zsingle_quotesz_s Guide_ (O_zsingle_quotesz_Reilly & Associates, 1991)
386BSD man pages
Modified 1993-07-24 by Rik Faith <faithcs.unc.edu>
Modified 2004-10-10 by aeb