xref: /illumos-gate/usr/src/man/man3proc/Pgetenv.3proc (revision dcbf3bd6a1f1360fc1afcee9e22c6dcff7844bf2)
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12.\" Copyright 2015 Joyent, Inc.
13.\"
14.Dd May 11, 2016
15.Dt PGETENV 3PROC
16.Os
17.Sh NAME
18.Nm Pgetenv
19.Nd get process environment variable
20.Sh SYNOPSIS
21.Lb libproc
22.In libproc.h
23.Ft "char *"
24.Fo Pgetenv
25.Fa "struct ps_prochandle *P"
26.Fa "const char *name"
27.Fa "char *buf"
28.Fa "size_t buflen"
29.Fc
30.Sh DESCRIPTION
31The
32.Fa Pgetenv
33function searches the environment of the process handle
34.Fa P
35for the environment variable named
36.Fa name .
37If found it copies up to
38.Fa buflen
39characters of the value, including the null terminator, into the buffer
40.Fa buf .
41Everything after the
42.Sy =
43sign is copied.
44.Sh RETURN VALUES
45Upon successful completion, the
46.Fn Pgetenv
47function returns the pointer
48.Fa buf .
49Otherwise, if the environment variable was not found,
50.Dv NULL
51is returned.
52.Sh INTERFACE STABILITY
53.Sy Uncommitted
54.Sh MT-LEVEL
55See
56.Sy LOCKING
57in
58.Xr libproc 3LIB .
59.Sh SEE ALSO
60.Xr libproc 3LIB ,
61.Xr Penv_iter 3PROC ,
62.Xr environ 5
63