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Diffstat (limited to 'man3/getenv.3')
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diff --git a/man3/getenv.3 b/man3/getenv.3 new file mode 100644 index 000000000..e614d499a --- /dev/null +++ b/man3/getenv.3 @@ -0,0 +1,53 @@ +.\" Copyright 1993 David Metcalfe (david@prism.demon.co.uk) +.\" +.\" Permission is granted to make and distribute verbatim copies of this +.\" manual provided the copyright notice and this permission notice are +.\" preserved on all copies. +.\" +.\" Permission is granted to copy and distribute modified versions of this +.\" manual under the conditions for verbatim copying, provided that the +.\" entire resulting derived work is distributed under the terms of a +.\" permission notice identical to this one. +.\" +.\" Since the Linux kernel and libraries are constantly changing, this +.\" manual page may be incorrect or out-of-date. The author(s) assume no +.\" responsibility for errors or omissions, or for damages resulting from +.\" the use of the information contained herein. The author(s) may not +.\" have taken the same level of care in the production of this manual, +.\" which is licensed free of charge, as they might when working +.\" professionally. +.\" +.\" Formatted or processed versions of this manual, if unaccompanied by +.\" the source, must acknowledge the copyright and authors of this work. +.\" +.\" References consulted: +.\" Linux libc source code +.\" Lewine's _POSIX Programmer's Guide_ (O'Reilly & Associates, 1991) +.\" 386BSD man pages +.\" Modified Sat Jul 24 19:30:29 1993 by Rik Faith (faith@cs.unc.edu) +.\" Modified Fri Feb 14 21:47:50 1997 by Andries Brouwer (aeb@cwi.nl) +.\" +.TH GETENV 3 1993-04-03 "GNU" "Linux Programmer's Manual" +.SH NAME +getenv \- get an environment variable +.SH SYNOPSIS +.nf +.B #include <stdlib.h> +.sp +.BI "char *getenv(const char *" name ); +.fi +.SH DESCRIPTION +The \fBgetenv()\fP function searches the environment list for a string +that matches the string pointed to by \fIname\fP. The strings are of +the form \fIname = value\fP. +.SH "RETURN VALUE" +The \fBgetenv()\fP function returns a pointer to the value in the +environment, or NULL if there is no match. +.SH "CONFORMING TO" +SVID 3, POSIX, BSD 4.3, ISO 9899 +.SH "SEE ALSO" +.BR clearenv (3), +.BR putenv (3), +.BR setenv (3), +.BR unsetenv (3), +.BR environ (5) |