isatty: Make it return true in Cygwin consoles on native Windows. * lib/isatty.c: Include <string.h>. (GetProcAddress): New macro. (GetNamedPipeClientProcessIdFuncType): New type. (GetNamedPipeClientProcessIdFunc): New variable. (QueryFullProcessImageNameFuncType): New type. (QueryFullProcessImageNameFunc): New variable. (initialized): New variable. (initialize): New function. (IsCygwinConsoleHandle): New function. (isatty): Invoke it. * doc/posix-functions/isatty.texi: Mention the issue.

Description:
Safe automatic memory allocation.

Files:
lib/malloca.h
lib/malloca.c
m4/malloca.m4
m4/eealloc.m4
m4/longlong.m4

Depends-on:
alloca-opt
stdint
verify
xalloc-oversized

configure.ac:
gl_MALLOCA

Makefile.am:
lib_SOURCES += malloca.c

Include:
"malloca.h"

License:
LGPLv2+

Maintainer:
all