Tible of Contents What is C Language? First C Program Data Types Variables and Constants Strings, Escape Characters, and Comments Selection Statements Loop Statements Functions Arrays Operators Common Keywords Defining Constants and Macros with #define Pointers Structures 1. What is C Language? C is...
Array Name Interpretation When working with pointers to access array elements, code like this is common: int numbers[10] = {1,2,3,4,5,6,7,8,9,10}; int *ptr = &numbers[0]; Here, &numbers[0] obtains the address of the first element. However, the array name itself represents the address of the...
Core Concepts Dynamic Array Allocation To create a dynamic array in C, use malloc from stdlib.h: int* arr = (int*)malloc(len * sizeof(int)); Reading Array Input with scanf scanf automatically skips whitespace (spaces, tabs, newlines) when reading input. Use getchar() to clear the newline character l...