3 env \- manage the environment
9 char *\fBenv_get\fP(\fIname\fR);
11 char *\fBenv_pick\fP();
17 is a 0-terminated array of 0-terminated strings,
18 called environment variables.
19 Each environment variable is of the form
20 .IR name\fB=\fIvalue .
23 returns the value of the first variable whose name is
25 or 0 if there is no such variable.
28 returns any variable in the environment,
29 or 0 if the environment is empty.