qlibs:

Section: Misc. Reference Manual Pages (env)
Updated: 3
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NAME

env - manage variables in the environment  

SYNTAX

#include "env.h"

char **environ;

char *env_put(char *NAME,char *value);
char *env_puts(char *NAME=value);
char *env_set(char *NAME=value);
char *env_unset(char *NAME);
char *env_get(char *NAME);
char *env_pick();
char *env_clear();  

DESCRIPTION

The environment, environ, is a 0-terminated array of 0-terminated strings, called environment variables. Each environment variable is of the form NAME=value.

env_puts puts the string 'NAME=value' into the environment.

env_put assigns the new enviromment variable NAME with value.

env_set assigns an existing environment variable NAME with value: 'NAME=value'.

env_unset unsets an existing environment variable given as NAME.

env_get returns the assigned value of the first variable whose name is NAME, or 0 if there is no such variable.

env_pick returns any variable in the environment, or 0 if the environment is empty.

env_clear clears the whole envionment.  

SEE ALSO

environ(7)

 

Index

NAME
SYNTAX
DESCRIPTION
SEE ALSO
This document was created by man2html, using the manual pages.
Time: 14:55:38 GMT, December 15, 2024