View Compilation Error

0_0_2352084_30401.c: In function `check':
0_0_2352084_30401.c:21: error: syntax error before '/' token
0_0_2352084_30401.c:28: error: syntax error before '/' token
0_0_2352084_30401.c:32: error: syntax error before '/' token
0_0_2352084_30401.c: In function `bfs':
0_0_2352084_30401.c:80: error: syntax error before '/' token
0_0_2352084_30401.c:87: error: syntax error before '/' token
0_0_2352084_30401.c:100: error: syntax error before '/' token
0_0_2352084_30401.c:113: error: syntax error before '/' token
0_0_2352084_30401.c:126: error: syntax error before '/' token