F:\oracle\ora81\plsql\demo>make
Microsoft (R) 32-bit C/C++ Optimizing Compiler Version 12.00.8168 for 80x86
Copyright (C) Microsoft Corp 1984-1998. All rights reserved.
extproc.c
Command line error D2027 : cannot execute 'c1'
F:\oracle\ora81\plsql\demo>