如何在VxWorks中实例化实例化程序时解决命名冲突

I need to run multiple instances of a C program in VxWorks (VxWorks has a global namespace). The problem is that the C program defines global variables (which are intended for use by a specific instance of that program) which conflict in the global namespace. I would like to make minimal changes to the program in order to make this work. All ideas welcomed! I need to run multiple instances of a C program