support Directory Reference

Files
file	alloc.c
file	cancellable.c
file	cmdline.c
file	cpu_iphone.c
file	cpu_linux.c
file	cpu_posix.c
file	cpu_windows.c
file	env.h [code]
file	env_linux.c
file	env_posix.c
file	env_win32.c
file	file.c
file	file.h [code]
file	file_posix.c
file	file_win32.c
file	histogram.c
file	host_port.c
file	log.c
file	log_android.c
file	log_linux.c
file	log_posix.c
file	log_win32.c
file	murmur_hash.c
file	murmur_hash.h [code]
file	slice.c
file	slice_buffer.c
file	stack_lockfree.c
file	stack_lockfree.h [code]
file	string.c
file	string.h [code]
file	string_posix.c
file	string_win32.c
file	string_win32.h [code]
file	subprocess_posix.c
file	sync.c
file	sync_posix.c
file	sync_win32.c
file	thd.c
file	thd_internal.h [code]
file	thd_posix.c
file	thd_win32.c
file	time.c
file	time_posix.c
file	time_win32.c
file	tls_pthread.c