putchar           171 maint/gnulib/lib/stdio-write.c putchar (int c)
putchar          1152 maint/gnulib/lib/stdio.in.h #   undef putchar
putchar          1153 maint/gnulib/lib/stdio.in.h #   define putchar rpl_putchar
putchar           121 maint/gnulib/lib/unlocked-io.h #  undef putchar
putchar           122 maint/gnulib/lib/unlocked-io.h #  define putchar(x) putchar_unlocked (x)