[qmail] / env.3

.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)
Commit	Line	Data
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)