C Programming

  1. Input and Output Operations
    1. Standard I/O Streams
      1. stdin (Standard Input)
        1. stdout (Standard Output)
          1. stderr (Standard Error)
            1. Stream Redirection
            2. Formatted Output
              1. printf Function Family
                1. Format Specifiers
                  1. Integer Formats
                    1. Floating-Point Formats
                      1. Character Formats
                        1. String Formats
                        2. Field Width and Precision
                          1. Flags and Modifiers
                            1. Return Values
                            2. Formatted Input
                              1. scanf Function Family
                                1. Input Format Specifiers
                                  1. Return Value Checking
                                    1. Input Validation
                                      1. Buffer Overflow Prevention
                                        1. Common Pitfalls
                                        2. Character I/O
                                          1. getchar Function
                                            1. putchar Function
                                              1. Character Processing
                                                1. End-of-File Detection
                                                2. String I/O
                                                  1. gets Function (Deprecated)
                                                    1. fgets Function
                                                      1. puts Function
                                                        1. Safe String Input Methods

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                                                      5. Operators and Expressions

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                                                      7. Control Flow Statements