Run preprocessor only but with only for certain statements

Question

I have a number of debug statements defined in a program, and I want to be able to make a copy of the source without these statements.

In order to do this I first lo

Answer 1

gcc -E -nostdinc test.c produces

# 1 "test.c"
# 1 ""
# 1 ""
# 1 "test.c"
# 9 "test.c"
int main( int argc, char* argv[] )
{


    puts( "Hello, World!" );

    return 0;
}

and an error to stderr

test.c:1:19: error: no include path in which to search for stdio.h

You can easily filter out the # lines ... and re-add the includes.