assert((prot & GIT_PROT_WRITE) || (prot & GIT_PROT_READ)); \
assert((flags & GIT_MAP_FIXED) == 0); } while (0)
-extern int p_mmap(git_map *out, size_t len, int prot, int flags, int fd, git_off_t offset);
+extern int p_mmap(git_map *out, size_t len, int prot, int flags, int fd, off64_t offset);
extern int p_munmap(git_map *map);
#endif