4.2BSD/usr/man/man3/getuid.3f

.TH GETUID 3F "13 June 1983"
.UC 4
.SH NAME
getuid, getgid \- get user or group ID of the caller
.SH SYNOPSIS
.B integer function getuid()
.sp 1
.B integer function getgid()
.SH DESCRIPTION
These functions return the real user or group ID of the user
of the process.
.SH FILES
.ie \nM /usr/ucb/lib/libU77.a
.el /usr/lib/libU77.a
.SH "SEE ALSO"
getuid(2)