请问这些错误都是什么意思啊？

warning: assignment makes integer from pointer without a cast
warning: passing arg 1 of `time' makes pointer from integer with
out a cast
warning: decimal constant is so large that it is unsigned
warning: assignment from incompatible pointer type
warning: passing arg 1 of `bzero' from incompatible pointer type
dereferencing pointer to incomplete type


程序运行了好多错误啊 哪位大哥给看一看 这些东西又不能看字面意思 不懂啊
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