Table of Contentsinitgroups - initialize the supplementary group access list #include <grp.h> #include <sys/types.h>
int initgroups(const char *user, gid_t group); The initgroups() function initializes the group access list by reading the group database /etc/group and using all groups of which user is a member. The additional group group is also added to the list. The initgroups() function returns 0 on success, or -1 if an error occurs. - EPERM
- The calling process does not have sufficient privileges.
- ENOMEM
- Insufficient memory to allocate group information structure.
/etc/group group database file
SVID 3, BSD 4.3 getgroups(2), setgroups(2)
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