Extracted from Pike v7.8 release 866 at 2016-11-06.
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System

Classes
 Memory
 Time
 Timer

Methods
 GetComputerName()
 GetFileAttributes()
 GetNamedSecurityInfo()
 GetUserName()
 LogonUser()
 LookupAccountName()
 NetGetAnyDCName()
 NetGetDCName()
 NetGroupEnum()
 NetGroupGetUsers()
 NetLocalGroupEnum()
 NetLocalGroupGetMembers()
 NetSessionEnum()
 NetUserEnum()
 NetUserGetGroups()
 NetUserGetInfo()
 NetUserGetLocalGroups()
 NetWkstaUserEnum()
 RegGetKeyNames_76()
 RegGetValue_76()
 RegGetValues_76()
 SetFileAttributes()
 SetNamedSecurityInfo()
 chmod()
 chown()
 chroot()
 cleargroups()
 closelog()
 dumpable()
 endgrent()
 endpwent()
 get_home()
 get_netinfo_property()
 get_user()
 getegid()
 geteuid()
 getgid()
 getgrent()
 getgroups()
 gethostbyaddr()
 gethostbyname()
 gethostname()
 getitimer()
 getloadavg()
 getpgrp()
 getpid()
 getppid()
 getpwent()
 getrlimit()
 getrlimits()
 getrusage()
 getsid()
 gettimeofday()
 getuid()
 hardlink()
 initgroups()
 innetgr()
 nanosleep()
 normalize_path()
 openlog()
 rdtsc()
 readlink()
 resolvepath()
 setegid()
 seteuid()
 setgid()
 setgrent()
 setgroups()
 setitimer()
 setpgrp()
 setproctitle()
 setpwent()
 setresgid()
 setresuid()
 setrlimit()
 setsid()
 setuid()
 sleep()
 symlink()
 syslog()
 umask()
 uname()
 usleep()
 utime()
previousSystem.setpwent()
System.setresuid()next

Method System.setresgid()

Method setresgid

int setresgid(int rgid, int egid, int sgid)

Description

Sets the real, effective and saved group ID to rgid , egid and sgid respectively.

Returns

Returns zero on success and errno on failure.