
The cookie is used to store the base address of the area that was just visited. On 64-bit systems, int32 is not sufficient. Therefore, changed to ssize_t which retains compatibility on x86 while expanding to a sufficient size on x86_64.
The cookie is used to store the base address of the area that was just visited. On 64-bit systems, int32 is not sufficient. Therefore, changed to ssize_t which retains compatibility on x86 while expanding to a sufficient size on x86_64.