| 1 | .TH env 3 |
| 2 | .SH NAME |
| 3 | env \- manage the environment |
| 4 | .SH SYNTAX |
| 5 | .B #include <env.h> |
| 6 | |
| 7 | char **\fBenviron\fP; |
| 8 | |
| 9 | char *\fBenv_get\fP(\fIname\fR); |
| 10 | .br |
| 11 | char *\fBenv_pick\fP(); |
| 12 | |
| 13 | char *\fIname\fR; |
| 14 | .SH DESCRIPTION |
| 15 | The environment, |
| 16 | .BR environ , |
| 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 . |
| 21 | |
| 22 | .B env_get |
| 23 | returns the value of the first variable whose name is |
| 24 | .IR name , |
| 25 | or 0 if there is no such variable. |
| 26 | |
| 27 | .B env_pick |
| 28 | returns any variable in the environment, |
| 29 | or 0 if the environment is empty. |
| 30 | .SH "SEE ALSO" |
| 31 | environ(7) |