WHAT ARE ALL THE SECTIONS THAT A C PROGRAM MAY/MUST HAVE?

There are many sections in a C program structure. They are,

• Documentation section
• Link Section
• Definition Section
• Global declaration section
• Function prototype declaration section
• Main function
• User defined function section

main() function section is the important section in a C program as program execution starts from main() function only in C language. A C program may not have all other sections except main() function.