In C, is it possible to change exported function name to different one?

Question

all.

I want to link a library which calls malloc() function. However, my target environment is different one and malloc() is supplied as in

Answer 1

What about:

#define malloc my_malloc
#include 
#undef malloc

int malloc(size_t sz)
{
   return my_malloc(sz);
}

#define malloc my_malloc
// use your malloc here