Write the difference between printf(), scanf(), putchar(), getchar(), char, string ?

Here’s a breakdown of the key differences between the functions you mentioned:

1. printf():

• Purpose: Used to format and print output to the console.
• Syntax: printf("format string", arguments);
• Examples:
  • printf("Hello, world!\n");
  • printf("Age: %d, Name: %s\n", age, name);

2. scanf():

• Purpose: Used to read formatted input from the console.
• Syntax: scanf("format string", &variables);
• Examples:
  • scanf("%d", &age);
  • scanf("%s", name);

3. getchar():

• Purpose: Reads a single character from the console.
• Syntax: char ch = getchar();
• Example: ch = getchar();

4. putchar():

• Purpose: Prints a single character to the console.
• Syntax: putchar(character);
• Example: putchar('A');

5. char:

• Purpose: A data type used to store a single character.
• Example: char letter = 'A';

6. string:

• Purpose: Not a built-in type in C, but often refers to a character array (null-terminated sequence of characters).
• Example: char name[] = "Bard";

Key Differences Summary: