vc +kick13 -Ivbcc:PosixLib/include -DPROGVERSION="1.13" -c -o main.o main.c
if( !open_outstream( true, in_statsp ) )error 39 in line 702 of "main.c": invalid types for assignment
1 error found!
if( !open_outstream( true, in_statsp ) )
You can substitute it with:
if( !open_outstream( true, ( in_statsp != NULL ? true : false ) ) ) { retval = q; break; }
Which will be optimized be complete to the very same result.