Is there any utility available which can generate a flowchart from the given C program? Mohit
Here is a product that may be of interest: "Development Assistant for C (DA-C) offers new possibilities for the development and maintenance of C applications. This program is completely project-oriented and allows easy handling of both small and large projects. Through its functions: editor, browser, flow charts, graph, software metrics, and static code analysis DA-C not only facilitates editing and source quality control, but also allows detailed reviewing and documenting."
Try putting keywords like "reverse engineer" into your favourite internet search engine. There are lots of tools about which will produce all sorts of different representations of the flow, structure, etc of your source code.