Both my system's man-pages (3.22) and the latest online (3.41) shows int mprotect(const void *addr, size_t len, int prot); as the prototype for mprotect(2). However, POSIX [1] and the actual sys/mman.h (on all the systems I checked) do not have the const qualifier on the first argument. [1] http://pubs.opengroup.org/onlinepubs/009604499/functions/mprotect.html-- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html