fputc_unlocked    119 maint/gnulib/lib/argp-namefrob.h      && !defined fputc_unlocked)
fputc_unlocked     71 maint/gnulib/lib/unlocked-io.h # if HAVE_DECL_FPUTC_UNLOCKED || defined fputc_unlocked
fputc_unlocked     73 maint/gnulib/lib/unlocked-io.h #  define fputc(x,y) fputc_unlocked (x,y)