usr/man/man3/getenv.3

.\"     @(#)getenv.3    6.1 (Berkeley) 5/15/85
.\"
.TH GETENV 3 "May 15, 1985"
.AT 3
.SH NAME
getenv \- value for environment name
.SH SYNOPSIS
.nf
.B char *getenv(name)
.B char *name;
.fi
.SH DESCRIPTION
.I Getenv
.a
searches the environment list
(see
.IR environ (7))
for a string of the form
.IB name = value
and returns a pointer to the string
.I value
if such a string is present, otherwise
.I getenv
returns the value 0 (NULL).
.SH SEE ALSO
environ(7), execve(2)