xref: /illumos-gate/usr/src/man/man3proc/Pgetenv.3proc (revision 915894ef19890baaed00080f85f6b69e225cda98)
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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 LIBRARY
21.Lb libproc
22.Sh SYNOPSIS
23.In libproc.h
24.Ft "char *"
25.Fo Pgetenv
26.Fa "struct ps_prochandle *P"
27.Fa "const char *name"
28.Fa "char *buf"
29.Fa "size_t buflen"
30.Fc
31.Sh DESCRIPTION
32The
33.Fa Pgetenv
34function searches the environment of the process handle
35.Fa P
36for the environment variable named
37.Fa name .
38If found it copies up to
39.Fa buflen
40characters of the value, including the null terminator, into the buffer
41.Fa buf .
42Everything after the
43.Sy =
44sign is copied.
45.Sh RETURN VALUES
46Upon successful completion, the
47.Fn Pgetenv
48function returns the pointer
49.Fa buf .
50Otherwise, if the environment variable was not found,
51.Dv NULL
52is returned.
53.Sh INTERFACE STABILITY
54.Sy Uncommitted
55.Sh MT-LEVEL
56See
57.Sy LOCKING
58in
59.Xr libproc 3LIB .
60.Sh SEE ALSO
61.Xr libproc 3LIB ,
62.Xr Penv_iter 3PROC ,
63.Xr environ 5
64