Appendix A. C Primer
People new to C might refer to The C Programming Language by Brian W. Kernighan and Dennis M. Ritchie, which is a concise but complete introduction to C.
C programs are built from functions. Each function takes a number of arguments and can optionally return an answer. There is no concept of objects as used in Java. The function called to start a program is called
main() takes as argument an array of strings specifying the command-line arguments used to start the program. For instance, if you type
main function will see