View Compilation Error

0_0_1472720_22671.c: In function `bfs':
0_0_1472720_22671.c:14: error: `node' undeclared (first use in this function)
0_0_1472720_22671.c:14: error: (Each undeclared identifier is reported only once
0_0_1472720_22671.c:14: error: for each function it appears in.)
0_0_1472720_22671.c:14: error: syntax error before "d"
0_0_1472720_22671.c:21: error: `d' undeclared (first use in this function)
0_0_1472720_22671.c:22: error: syntax error before '/' token
0_0_1472720_22671.c:52: error: `r' undeclared (first use in this function)