View Compilation Error

0_0_7822524_28680.c:10: error: syntax error before "M"
0_0_7822524_28680.c: In function `main':
0_0_7822524_28680.c:31: error: request for member `A' in something not a structure or union
0_0_7822524_28680.c:32: error: request for member `B' in something not a structure or union
0_0_7822524_28680.c:37: error: request for member `B' in something not a structure or union
0_0_7822524_28680.c:37: error: request for member `A' in something not a structure or union