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@c
@c COPYRIGHT (c) 1988-1998.
@c On-Line Applications Research Corporation (OAR).
@c All rights reserved.
@c
@c $Id$
@c
@chapter Process Environment
@section Process Identification
@subsection Get Process and Parent Process IDs
@example
getpid(), Function
getppid(), Function
@end example
@section User Identification
@subsection Get Real User Effective User Real Group and Effective Group IDs
@example
getuid(), Function
geteuid(), Function
getgid(), Function
getegid(), Function
@end example
@subsection Set User and Group IDs
@example
setuid(), Function
setgid(), Function
@end example
@subsection Get Supplementary Group IDs
@example
getgroups(), Function
@end example
@subsection Get User Name
@example
getlogin(), Function
getlogin_r(), Function
@end example
@section Process Groups
@subsection Get Process Group ID
@example
getpgrp(), Function
@end example
@subsection Create Session and Set Process Group ID
@example
setsid(), Function
@end example
@subsection Set Process Group ID for Job Control
@example
setpgid(), Function
@end example
@section System Identification
@subsection Get System Name
@example
uname(), Function
@end example
@section Time
@subsection Get System Time
@example
time(), Function
@end example
@subsection Get Process Times
@example
times(), Function
@end example
@section Environment Variables
@subsection Environment Access
@example
getenv(), Function
@end example
@section Terminal Identification
@subsection Generate Terminal Pathname
@example
ctermid(), Function
@end example
@subsection Determine Terminal Device Name
@example
ttyname(), Function
ttyname_r(), Function
isatty(), Function
@end example
@section Configurable System Variables
@subsection Get Configurable System Variables
@example
sysconf(), Function
@end example
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