STDIN_FILENO     1078 magick/mac.c     if (isatty(STDIN_FILENO) && (text != mark))
STDIN_FILENO      409 magick/studio.h #if !defined(STDIN_FILENO)
STDIN_FILENO      400 wand/animate.c         if (isatty(STDIN_FILENO) != MagickFalse)
STDIN_FILENO      463 wand/display.c         if (isatty(STDIN_FILENO) != MagickFalse)
STDIN_FILENO      419 wand/studio.h  #if !defined(STDIN_FILENO)