int data_program_region_compare(void *d1, void *d2, size_t size);
int data_libsimgrid_region_compare(void *d1, void *d2, size_t size);
void MC_pair_delete(mc_pair_t pair);
int data_program_region_compare(void *d1, void *d2, size_t size);
int data_libsimgrid_region_compare(void *d1, void *d2, size_t size);
void MC_pair_delete(mc_pair_t pair);