Test.... Post: 302165742

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getenv

GETENV(3)						     Linux Programmer's Manual							 GETENV(3)

NAME

       getenv - get an environment variable

SYNOPSIS

       #include <stdlib.h>

       char *getenv(const char *name);

DESCRIPTION

       The getenv() function searches the environment list to find the environment variable name, and returns a pointer to the corresponding value
       string.

RETURN VALUE

       The getenv() function returns a pointer to the value in the environment, or NULL if there is no match.

CONFORMING TO

       SVr4, POSIX.1-2001, 4.3BSD, C89, C99.

NOTES

       The strings in the environment list are of the form name=value.

       As typically implemented, getenv() returns a pointer to a string within the environment list.  The caller must take care not to modify this
       string, since that would change the environment of the process.

       The  implementation  of	getenv() is not required to be reentrant.  The string pointed to by the return value of getenv() may be statically
       allocated, and can be modified by a subsequent call to getenv(), putenv(3), setenv(3), or unsetenv(3).

SEE ALSO

       clearenv(3), putenv(3), setenv(3), unsetenv(3), environ(7)

COLOPHON

       This page is part of release 3.25 of the Linux man-pages project.  A description of the project, and information about reporting bugs,  can
       be found at http://www.kernel.org/doc/man-pages/.

GNU
								    2008-03-17								 GETENV(3)