View Compilation Error

0_0_5960964_32499.c: In function `Is_leap_year':
0_0_5960964_32499.c:16: error: syntax error before '/' token
0_0_5960964_32499.c: In function `main':
0_0_5960964_32499.c:23: error: syntax error before '/' token
0_0_5960964_32499.c:28: error: syntax error before '/' token
0_0_5960964_32499.c: At top level:
0_0_5960964_32499.c:57: error: syntax error before "return"