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+.TH env 3
+.SH NAME
+env \- manage the environment
+.SH SYNTAX
+.B #include <env.h>
+
+char **\fBenviron\fP;
+
+char *\fBenv_get\fP(\fIname\fR);
+.br
+char *\fBenv_pick\fP();
+
+char *\fIname\fR;
+.SH DESCRIPTION
+The environment,
+.BR environ ,
+is a 0-terminated array of 0-terminated strings,
+called environment variables.
+Each environment variable is of the form
+.IR name\fB=\fIvalue .
+
+.B env_get
+returns the value of the first variable whose name is
+.IR name ,
+or 0 if there is no such variable.
+
+.B env_pick
+returns any variable in the environment,
+or 0 if the environment is empty.
+.SH "SEE ALSO"
+environ(7)