View Compilation Error

0_0_4023629_876.c:5: error: variable-size type declared outside of any function
0_0_4023629_876.c:5: error: variable-size type declared outside of any function
0_0_4023629_876.c:9: error: variable-size type declared outside of any function
0_0_4023629_876.c:9: error: variable-size type declared outside of any function
0_0_4023629_876.c:9: error: variable-size type declared outside of any function
0_0_4023629_876.c:10: error: variable-size type declared outside of any function
0_0_4023629_876.c:10: error: variable-size type declared outside of any function
0_0_4023629_876.c:11: error: variable-size type declared outside of any function
0_0_4023629_876.c:12: error: syntax error before "mark"
0_0_4023629_876.c:12: error: variable-size type declared outside of any function
0_0_4023629_876.c:14: error: syntax error before "reach"
0_0_4023629_876.c:21: error: syntax error before "dfs"