C Language Basic to Advance Course > Structure of C

printf() and scanf() Functions

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The main difference between printf and scanf is that in printf(), variable values are passed, whereas in scanf(), variable addresses are passed.

Scaff is a function in the C programming language that reads formatted data from stdin (the standard input stream, which is normally the keyboard unless redirected) and writes the results into the arguments.

printf() - printf() returns the amount of characters sent to the output successfully. scanf() reports the number of data items that were successfully entered. It is used to read data (simile characters, numerical values, and strings) from a conventional input device into the computer.

printf() returns the number of characters that were successfully written to the output. scanf() - This function returns the number of correctly inserted data elements. It is used to read data from a conventional input device into the computer (simile characters, numerical values, and strings).

printf() is a built-in library function in C that is included by default in the C library. The "stdio. h" header file declares this function and defines related macros. On the output screen, the printf() method prints "character, string, float, integer, octal, and hexadecimal values."

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  1. Introduction to C Programming
    24m 32s
  2. How to use LearnVern
    3m 20s
  3. Assignment : Introduction to C
    3m 17s

  1. Setting up C Environment
    17m 24s
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    25m 16s
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    3m 50s

  1. Basic Syntax
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    26m 19s
  3. Assignment : Structure of C
    7m 38s
  4. Variables in C Programming
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  5. Storage Classes in C Programming
    28m 23s
  6. printf() and scanf() Functions
    22m 56s
  7. Constants in C Programming
    18m 8s

  1. Operators in C Programming
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  1. Introduction to User Defined Functions
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  1. Declaration & Initialization of Arrays
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  11. Working with Strings
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  15. Union in C Programming
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  1. Typedef Function in C Programming
    10m 7s
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    2m 57s

  1. Overview of File Handling
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    2m 37s

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  1. Recursive Functions in C
    14m 53s
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    3m 5s

  1. Variable Arguments in User Defined Functioncs
    20m 2s
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    3m 14s

  1. Memory Management
    11m 34s
  2. Assignment : Memory Management
    2m 58s

  1. Command Line Arguments
    9m 12s
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    2m 28s

  1. Inbuilt Library Functions- Math.h Library
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    4m 31s

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    3m 41s

  1. Compilation and Execution
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    2m 59s

  1. Advanced C Features: Macros
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    3m 19s

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