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Explain the Structure of a C Program?
Each C program consists of one or more functions one of the which must be main(). A function name is forever followed by a pair of parenthesis as in the case of main(). The program execution begins in main() function the statements with in a function are always enclosed within a pair of {}. The braces may includes combinations of elementary statement called expression statements and other compound statements. each expression statement must end with a semicolon(;). Comments may appear anywhere within a program, as long as they are place within the delimiters /* and */.These are used in a program to enhance its understanding and readability. Comments don't affect the execution speed and the size of a program.
Consider a simple program in c
main() { printf("Hello Students");/* print statement*/ }
The output will be "Hello Students".
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Explain the principle of duality with examples.
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