Want C program for this please.

I need the code for this... plz help me out...
Search c keyword;

1) The program will ask user to enter a file name (a C source file )

2) software will open file and search C language keywords in file

3) it will print keywords and their count after traversing through whole file in following format;

IF 1o

WHILE 7

INT 4

FLOAT 5

The program should also write above printed data into a file having following name

Filename _result.

Points to consider;

1) You have to make functions

2) Always pas parameters to function using pointers

3) File handling is must to read and write files

4) Comments in program