5 enum e_block_types {CLB, OUTPAD, INPAD, IO, ILLEGAL};
8 enum e_block_types type;
14 extern struct s_block *block;
15 extern int num_blocks;
19 int f(int x, int y, int z)
24 int b_from = my_rand(num_blocks - 1);
26 while(block[b_from].type != CLB) {
27 b_from = my_rand(num_blocks-1);
40 int t4(int x, int y) {