How to compile a LINUX Device Driver

For details about how to compile a LINUX Device Driver-general Linux technology-Linux programming and kernel information, see the following. Http://www.it.com.cn/f/edu/0411/30/53811.htm
Follow the connection example above to write the device driver
The following error is returned.
Test. c: 13: warning: 'struct file' declared inside parameter list
Test. c: 13: warning: its scope is only this definition or declaration, which is probably not what you want
Test. c: 13: warning: 'struct inode' declared inside parameter list
Test. c: In function 'read _ test ':
Test. c: 18: 'verify _ write' undeclared (first use in this function)
Test. c: 18: (Each undeclared identifier is reported only once
Test. c: 18: for each function it appears in .)
Test. c: 21: parse error before ""
Test. c: At top level:
Test. c: 30: warning: 'struct file' declared inside parameter list
Test. c: 30: warning: 'struct inode' declared inside parameter list
Test. c: 35: warning: 'struct file' declared inside parameter list
Test. c: 35: warning: 'struct inode' declared inside parameter list
Test. c: In function 'open _ tibet ':
Test. c: 37: 'mod _ ING_USE_COUNT 'undeclared (first use in this function)
Test. c: At top level:
Test. c: 41: warning: 'struct file' declared inside parameter list
Test. c: 41: warning: 'struct inode' declared inside parameter list
Test. c: In function 'release _ tibet ':
Test. c: 43: union has no member named 'usecount'
Test. c: At top level:
Test. c: 46: variable 'test _ fops 'has initializer but incomplete type
Test. c: 47: warning: excess elements in struct initializer
Test. c: 47: warning: (near initialization for 'test _ fops ')
Test. c: 48: warning: excess elements in struct initializer
Test. c: 48: warning: (near initialization for 'test _ fops ')
Test. c: 49: 'write _ test' undeclared here (not in a function)
Test. c: 49: warning: excess elements in struct initializer
Test. c: 49: warning: (near initialization for 'test _ fops ')
Test. c: 50: warning: excess elements in struct initializer
Test. c: 50: warning: (near initialization for 'test _ fops ')
Test. c: 51: warning: excess elements in struct initializer
Test. c: 51: warning: (near initialization for 'test _ fops ')
Test. c: 52: warning: excess elements in struct initializer
Test. c: 52: warning: (near initialization for 'test _ fops ')
Test. c: 53: warning: excess elements in struct initializer
Test. c: 53: warning: (near initialization for 'test _ fops ')
Test. c: 54: 'Open _ test' undeclared here (not in a function)
Test. c: 54: warning: excess elements in struct initializer
Test. c: 54: warning: (near initialization for 'test _ fops ')
Test. c: 55: 'release _ test' undeclared here (not in a function)
Test. c: 55: warning: excess elements in struct initializer
Test. c: 55: warning: (near initialization for 'test _ fops ')
Test. c: 56: warning: excess elements in struct initializer
Test. c: 56: warning: (near initialization for 'test _ fops ')
Test. c: 57: warning: excess elements in struct initializer
Test. c: 57: warning: (near initialization for 'test _ fops ')
Test. c: In function 'init _ module ':
Test. c: 64: parse error before '= 'token
Test. c: 67: 'kern _ info' undeclared (first use in this function)
Test. c: 67: parse error before string constant
/Usr/include/linux/timer. h: At top level:
Test. c: 46: storage size of 'test _ fops 'isn' t known

I have read the third chapter of that book, but I don't understand it in many places because there are no specific examples. Please help me. Thank you !!!