Unit 1 Structure of C Program

What is the main purpose of the main() function in C?

• To declare global variables

• To define subprograms

• To provide the entry point for program execution
  

• To define data structures

Which section in a C program contains function prototypes and global variables?

• Main Section

• Documentation Section

• Subprogram Section

• Global Declaration Section

What does the #define directive do in C?

• Defines a function

• Declares variables

• Defines macros

• Specifies the return type of functions

What is the role of the Subprogram Section in C

• To define the main entry point of the program

• To define global variables

• To include external libraries

• To declare and define user-defined functions

What does #include <stdio.h> do in a C program?

• Defines a macro

• Specifies the return type of a function

• Links the program to standard input/output function

• Declares global variables