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  2. C data types - Wikipedia

    en.wikipedia.org/wiki/C_data_types

    char * pc [10]; // array of 10 elements of 'pointer to char' char (* pa)[10]; // pointer to a 10-element array of char The element pc requires ten blocks of memory of the size of pointer to char (usually 40 or 80 bytes on common platforms), but element pa is only one pointer (size 4 or 8 bytes), and the data it refers to is an array of ten ...

  3. Array (data type) - Wikipedia

    en.wikipedia.org/wiki/Array_(data_type)

    In C and C++ arrays do not support the size function, so programmers often have to declare separate variable to hold the size, and pass it to procedures as a separate parameter. Elements of a newly created array may have undefined values (as in C), or may be defined to have a specific "default" value such as 0 or a null pointer (as in Java).

  4. C syntax - Wikipedia

    en.wikipedia.org/wiki/C_syntax

    The largest allowed array subscript is therefore equal to the number of elements in the array minus 1. To illustrate this, consider an array a declared as having 10 elements; the first element would be a[0] and the last element would be a[9]. C provides no facility for automatic bounds checking for array usage. Though logically the last ...

  5. Array (data structure) - Wikipedia

    en.wikipedia.org/wiki/Array_(data_structure)

    As an example consider the C declaration int anArrayName[10]; which declares a one-dimensional array of ten integers. Here, the array can store ten elements of type int. This array has indices starting from zero through nine. For example, the expressions anArrayName[0] and anArrayName[9] are the first and last elements respectively.

  6. C (programming language) - Wikipedia

    en.wikipedia.org/wiki/C_(programming_language)

    Therefore, although function calls in C use pass-by-value semantics, arrays are in effect passed by reference. The total size of an array x can be determined by applying sizeof to an expression of array type. The size of an element can be determined by applying the operator sizeof to any dereferenced element of an array A, as in n = sizeof A[0 ...

  7. Boolean data type - Wikipedia

    en.wikipedia.org/wiki/Boolean_data_type

    The D programming language has a proper Boolean data type bool. The bool type is a byte-sized type that can only hold the value true or false. The only operators that can accept operands of type bool are: &, |, ^, &=, |=, ^=, !, &&, || and ?:. A bool value can be implicitly converted to any integral type, with false becoming 0 and true becoming ...

  8. Comparison of Pascal and C - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_Pascal_and_C

    In C expressions, an identifier representing an array is treated as a constant pointer to the first element of the array, thus, given the declarations int a[10] and int *p; the assignment p = a is valid and causes p and a to point to the same array.

  9. Fundamentals: Ten Keys to Reality - Wikipedia

    en.wikipedia.org/wiki/Fundamentals:_Ten_Keys_to...

    According to the author: [2] This is a book about fundamental lessons we can learn from the study of the physical world. ... Here I've tried to convey the central messages of modern physics as simply as possible, while not compromising accuracy. ... I've selected ten broad principles as my fundamentals. Each forms the theme of one chapter.