std​::os

Modules

consts

Structs

MemoryMap
Pipe

Enums

MapError
MapOption
MemoryMapKind

Functions

args
change_dir
close
copy_file
dll_filename
env
errno
fdopen
fill_charp_buf
fsync_fd
getcwd
getenv
homedir
last_os_error
list_dir
list_dir_path
make_absolute
make_dir
mkdir_recursive
page_size
path_exists
path_is_dir
pipe
remove_dir
remove_dir_recursive
remove_file
rename_file
self_exe_path
set_exit_status
setenv
tmpdir
unsetenv
walk_dir

Function std::os::getenv

pub fn getenv(n: &str) -> Option<~str>

Fetches the environment variable n from the current process, returning None if the variable isn't set.