HAVE_UNISTD_H      23 lib/bitio.c    #ifdef HAVE_UNISTD_H
HAVE_UNISTD_H      25 lib/devices/record.c #ifdef HAVE_UNISTD_H
HAVE_UNISTD_H      26 lib/devices/swf.c #ifdef HAVE_UNISTD_H
HAVE_UNISTD_H      25 lib/pdf/GFXOutputDev.cc #ifdef HAVE_UNISTD_H