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2117e02e MW |
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) |