View Compilation Error

292339_0_528.c: In function `main':
292339_0_528.c:31: error: syntax error before '/' token
292339_0_528.c:35: error: syntax error before ')' token
292339_0_528.c:36: error: syntax error before ')' token
292339_0_528.c:40: error: syntax error before ')' token
292339_0_528.c:41: error: syntax error before ')' token
292339_0_528.c: At top level:
292339_0_528.c:48: error: syntax error before "for"
292339_0_528.c:57: error: `j' undeclared here (not in a function)
292339_0_528.c:57: error: `k' undeclared here (not in a function)
292339_0_528.c:57: error: `sum' undeclared here (not in a function)
292339_0_528.c:58: error: syntax error before '}' token
292339_0_528.c:65: error: conflicting types for 'writedata'
292339_0_528.c:24: error: previous definition of 'writedata' was here
292339_0_528.c:66: error: syntax error before '}' token
292339_0_528.c:57: error: storage size of `f' isn't known