Mosh needs this. diff -u -r /home/fornwall/lib/android-ndk/platforms/android-21/arch-arm/usr/include/sys/select.h ./usr/include/sys/select.h --- /home/fornwall/lib/android-ndk/platforms/android-21/arch-arm/usr/include/sys/select.h 2014-10-14 22:53:49.000000000 -0400 +++ ./usr/include/sys/select.h 2015-07-23 19:19:06.375287284 -0400 @@ -54,7 +54,7 @@ #if defined(__BIONIC_FORTIFY) extern void __FD_CLR_chk(int, fd_set*, size_t); extern void __FD_SET_chk(int, fd_set*, size_t); -extern int __FD_ISSET_chk(int, fd_set*, size_t); +extern int __FD_ISSET_chk(int, fd_set const*, size_t); #define FD_CLR(fd, set) __FD_CLR_chk(fd, set, __bos(set)) #define FD_SET(fd, set) __FD_SET_chk(fd, set, __bos(set)) #define FD_ISSET(fd, set) __FD_ISSET_chk(fd, set, __bos(set))