>K&R C no longer compiles. foo@virt-ubuntu:~/c$ gcc --version gcc (Ubuntu 6.3.0-12ubuntu2) 6.3.0 20170406 Copyright (C) 2016 Free Software Foundati

>K&R C no longer compiles. foo@virt-ubuntu:~/c$ gcc --version gcc (Ubuntu 6.3.0-12ubuntu2) 6.3.0 20170406 Copyright (C) 2016 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. foo@virt-ubuntu:~/c$ cat 'k&r.c' #include<stdio.h> int main(argc, argv) int argc; char *argv[]; { puts("hello, world!"); return 0; } foo@virt-ubuntu:~/c$ gcc 'k&r.c' foo@virt-ubuntu:~/c$ ./a.out hello, world!