Non-recursive:

c:\progs\cygwin\bin\find . -maxdepth 1 -type f -size 0c
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:: In a batch file.
@echo off
for %%q in (*) do if (%%~zq)==(0) echo %%q
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perl -E"say for grep -z -f, glob '*'"
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perl -MFile::Find::Rule -E"say for File::Find::Rule->maxdepth(1)->file
+->empty->in('.');"
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Recursive:

c:\progs\cygwin\bin\find . -type f -size 0c
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:: In a batch file.
@echo off
for /r %%q in (.) do if (%%~zq)==(0) echo %%q
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perl -MFile::Find::Rule -E"say for File::Find::Rule->file->empty->in('
+.');"
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