showenv.c

关于web server、进程间通信、shell编程的经典源代码

/*  showenv.c - shows how to read and print the environment
 */

extern char	**environ;    /* points to the array of strings */

main()
{
	int	i;

	for( i = 0 ; environ[i] ; i++ )
		printf("%s\n", environ[i] );
}