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

getenv - get an environment variable

#include <stdlib.h>

char *getenv(const char *name);

The getenv() function searches the environment list for a string that matches the string pointed to by name. The strings are of the form name = value.

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

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

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

This page is part of release 2.79 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/.

1993-04-03 GNU

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