Main Page Modules Namespace List Class Hierarchy Compound List File List Namespace Members Compound Members File Members

c5/setenv.c File Reference

Detailed Description

setenv, getenv, and unsetenv [Sec. 5.2]

Definition in file setenv.c.

Go to the source code of this file.

Functions

int setnew (int i, const char *var, const char *val)

int setenv (const char *var, const char *val, int overwrite)

int unsetenv (const char *var)

Variables

char ** environ

Function Documentation

int setenv ( const char * var,

const char * val,

int overwrite

)

Description:
Change or add to environment (Std. UNIX; see AUP2 Sec. 5.2)

Headers:
stdlib.h

Returns:
0 on success or -1 on error (sets errno)

Parameters:

var variable to be changed or added

val value

overwrite overwrite?

Definition at line 43 of file setenv.c.
References environ, errno, setnew(), and val.

int setnew ( int i,

const char * var,

const char * val

) [static]

Definition at line 29 of file setenv.c.
References environ, and val.
Referenced by setenv().

int unsetenv ( const char * var )

Description:
Remove environment variable (Std. UNIX; see AUP2 Sec. 5.2)

Headers:
stdlib.h

Returns:
0 on success or -1 on error (sets errno)

Parameters:

var variable to be removed

Definition at line 80 of file setenv.c.
References environ, and errno.

Variable Documentation

char** environ

Definition at line 26 of file setenv.c.

Generated on Fri Apr 23 10:57:08 2004 for AUP2 Example Source by

1.3.1


Functions
int	setnew (int i, const char var, const char val)
int	setenv (const char var, const char val, int overwrite)
int	unsetenv (const char *var)
Variables
char **	environ