{"id":10094,"date":"2023-11-11T17:34:50","date_gmt":"2023-11-11T17:34:50","guid":{"rendered":"https:\/\/adelnasim.com\/docs\/courses\/cpp-tutorial\/pointer-part-2-array-vs-pointer-ezd_ampersand-passing-pointer-to-function\/"},"modified":"2024-04-07T01:19:37","modified_gmt":"2024-04-07T01:19:37","slug":"pointer-part-2-array-vs-pointer-passing-pointer-to-function","status":"publish","type":"docs","link":"https:\/\/adelnasim.com\/ar\/docs\/courses\/cpp-tutorial\/pointer-part-2-array-vs-pointer-passing-pointer-to-function\/","title":{"rendered":"\u0627\u0644\u0645\u0624\u0634\u0631 Pointer 2 (\u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0629\u060c \u0627\u0644\u0645\u0624\u0634\u0631 \u0648\u062a\u0645\u0631\u064a\u0631 \u0627\u0644\u0645\u0624\u0634\u0631 \u0625\u0644\u0649 \u0627\u0644\u062f\u0627\u0644\u0629)"},"content":{"rendered":"

\u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0641\u064a \u0644\u063a\u0629 C++<\/h2>\n

\u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0629 \u0639\u0628\u0627\u0631\u0629 \u0639\u0646 \u0645\u062c\u0645\u0648\u0639\u0629 \u0645\u0646 \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0645\u0646 \u0646\u0641\u0633 \u0627\u0644\u0646\u0648\u0639 \u0627\u0644\u0645\u062e\u0632\u0646\u0629 \u0641\u064a \u0645\u0648\u0627\u0642\u0639 \u0645\u062a\u062c\u0627\u0648\u0631\u0629 \u0641\u064a \u0627\u0644\u0630\u0627\u0643\u0631\u0629. \u0641\u064a \u0644\u063a\u0629 C++\u060c \u064a\u0645\u0643\u0646 \u0623\u0646 \u062a\u0643\u0648\u0646 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0645\u0646 \u0623\u0646\u0648\u0627\u0639 \u0628\u062f\u0627\u0626\u064a\u0629 (int\u060c float\u060c \u0625\u0644\u062e) \u0623\u0648 \u0623\u0646\u0648\u0627\u0639 \u0645\u062d\u062f\u062f\u0629 \u0645\u0646 \u0642\u0628\u0644 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 (structures, classes). \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0644\u0647\u0627 \u062d\u062c\u0645 \u062b\u0627\u0628\u062a\u060c \u0648\u064a\u0645\u0643\u0646 \u0627\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u0649 \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0640index.<\/p>\n

int numbers[5] = {1, 2, 3, 4, 5};\r\n<\/pre>\n
\u0627\u0644\u0645\u0624\u0634\u0631\u0627\u062a \u0641\u064a \u0644\u063a\u0629 C++<\/h2>\n
\u0627\u0644\u0645\u0624\u0634\u0631 \u0647\u0648 \u0645\u062a\u063a\u064a\u0631 \u064a\u0642\u0648\u0645 \u0628\u062a\u062e\u0632\u064a\u0646 \u0639\u0646\u0648\u0627\u0646 \u0627\u0644\u0630\u0627\u0643\u0631\u0629 \u0644\u0645\u062a\u063a\u064a\u0631 \u0622\u062e\u0631. \u062a\u0633\u0645\u062d \u0627\u0644\u0645\u0624\u0634\u0631\u0627\u062a \u0628\u062a\u062e\u0635\u064a\u0635 \u0627\u0644\u0630\u0627\u0643\u0631\u0629 \u0627\u0644\u062f\u064a\u0646\u0627\u0645\u064a\u0643\u064a\u0629 \u0648\u0645\u0639\u0627\u0644\u062c\u062a\u0647\u0627. \u064a\u062a\u0645 \u0627\u0633\u062a\u062e\u062f\u0627\u0645\u0647\u0627 \u063a\u0627\u0644\u0628\u064b\u0627 \u0644\u0625\u062f\u0627\u0631\u0629 \u0627\u0644\u0630\u0627\u0643\u0631\u0629 \u0628\u0643\u0641\u0627\u0621\u0629 \u0648\u0644\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u0649 \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0645\u0648\u062c\u0648\u062f\u0629 \u0641\u064a \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0627\u062a.<\/p>\n
int x = 10;\r\nint *ptr = &x; \/\/ ptr now holds the address of x\r\n<\/pre>\n
\u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0648\u0627\u0644\u0645\u0624\u0634\u0631\u0627\u062a<\/h2>\n
\u0641\u064a \u0627\u0644\u0639\u062f\u064a\u062f \u0645\u0646 \u0627\u0644\u0633\u064a\u0627\u0642\u0627\u062a\u060c \u062a\u0638\u0647\u0631 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0648\u0627\u0644\u0645\u0624\u0634\u0631\u0627\u062a \u0641\u064a \u0644\u063a\u0629 C++ \u0633\u0644\u0648\u0643\u064b\u0627 \u0645\u0634\u0627\u0628\u0647\u064b\u0627. \u0639\u0646\u062f \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0633\u0645 \u0645\u0635\u0641\u0648\u0641\u0629 \u0641\u064a \u062a\u0639\u0628\u064a\u0631\u060c \u0641\u0625\u0646\u0647 \u064a\u062a\u062d\u0648\u0644 \u0625\u0644\u0649 \u0645\u0624\u0634\u0631 \u0625\u0644\u0649 \u0639\u0646\u0635\u0631\u0647 \u0627\u0644\u0623\u0648\u0644. \u0639\u0644\u0649 \u0633\u0628\u064a\u0644 \u0627\u0644\u0645\u062b\u0627\u0644:<\/p>\n
int arr[3] = {1, 2, 3};\r\nint *ptr = arr; \/\/ Equivalent to &arr[0]\r\n<\/pre>\n
\u0648\u0645\u0639 \u0630\u0644\u0643\u060c \u0647\u0646\u0627\u0643 \u0627\u062e\u062a\u0644\u0627\u0641\u0627\u062a:<\/p>\n
    \n
  • \u0644\u0627 \u064a\u0645\u0643\u0646 \u0625\u0639\u0627\u062f\u0629 \u062a\u0639\u064a\u064a\u0646 \u0645\u062a\u063a\u064a\u0631 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0629 \u0644\u0644\u0625\u0634\u0627\u0631\u0629 \u0625\u0644\u0649 \u0645\u0648\u0642\u0639 \u0630\u0627\u0643\u0631\u0629 \u0645\u062e\u062a\u0644\u0641\u060c \u0628\u064a\u0646\u0645\u0627 \u064a\u0645\u0643\u0646 \u0644\u0644\u0645\u0624\u0634\u0631 \u0630\u0644\u0643.<\/li>\n
  • \u062a\u062d\u0645\u0644 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0645\u0639\u0644\u0648\u0645\u0627\u062a \u062d\u0648\u0644 \u062d\u062c\u0645\u0647\u0627\u060c \u0641\u064a \u062d\u064a\u0646 \u0623\u0646 \u0627\u0644\u0645\u0624\u0634\u0631\u0627\u062a \u0644\u0627 \u062a\u0639\u0631\u0641 \u0628\u0637\u0628\u064a\u0639\u062a\u0647\u0627 \u062d\u062c\u0645 \u0627\u0644\u0630\u0627\u0643\u0631\u0629 \u0627\u0644\u062a\u064a \u062a\u0634\u064a\u0631 \u0625\u0644\u064a\u0647\u0627.<\/li>\n
  • \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0627\u062a \u0645\u0639 \u0639\u0627\u0645\u0644 \u0627\u0644\u062a\u0634\u063a\u064a\u0644 sizeof \u0644\u062a\u062d\u062f\u064a\u062f \u062d\u062c\u0645\u0647\u0627\u060c \u0644\u0643\u0646 \u0644\u0627 \u064a\u0645\u0643\u0646 \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0624\u0634\u0631\u0627\u062a \u0648\u062d\u062f\u0647\u0627.<\/li>\n<\/ul>\n
    \u0627\u0644\u0645\u0624\u0634\u0631 \u062d\u0633\u0627\u0628\u064a\u064b\u0627<\/h2>\n
    \u064a\u0645\u0643\u0646 \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0645\u0624\u0634\u0631\u0627\u062a \u0623\u0648 \u0625\u0646\u0642\u0627\u0635\u0647\u0627 \u0644\u0644\u062a\u0646\u0642\u0644 \u0639\u0628\u0631 \u0645\u0635\u0641\u0648\u0641\u0629 \u0623\u0648 \u0643\u062a\u0644\u0629 \u0645\u0646 \u0627\u0644\u0630\u0627\u0643\u0631\u0629.<\/p>\n
    int arr[5] = {1, 2, 3, 4, 5};\r\nint *ptr = arr;\r\n\r\ncout << *ptr; \/\/ Prints the first element (1)\r\nptr++;        \/\/ Moves to the next element\r\ncout << *ptr; \/\/ Prints the second element (2)\r\n<\/pre>\n
     <\/p>\n
    \u0645\u062b\u0627\u0644 1:<\/strong><\/p>\n
    #include <iostream>\r\nusing namespace std;\r\nint main()\r\n{\r\n    int arr[7] = {11,22,33,44,55,66,77};\r\n    for (size_t i = 0; i < 7; i++)\r\n    {\r\n        cout << *(arr + i) << endl;\r\n    }\r\n    return 0;\r\n}<\/pre>\n
    \u064a\u0642\u0648\u0645 \u0627\u0644\u0643\u0648\u062f \u0628\u0637\u0628\u0627\u0639\u0629 \u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0629 \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0624\u0634\u0631 \u0627\u0644\u062d\u0633\u0627\u0628\u064a.<\/p>\n
    cout << *(arr + i) << endl;: \u064a\u0633\u062a\u062e\u062f\u0645 \u062d\u0633\u0627\u0628 \u0627\u0644\u0645\u0624\u0634\u0631 \u0644\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u0649 \u0643\u0644 \u0639\u0646\u0635\u0631 \u0641\u064a \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0629. \u064a\u062d\u0633\u0628 \u0627\u0644\u062a\u0639\u0628\u064a\u0631 arr + i \u0639\u0646\u0648\u0627\u0646 \u0627\u0644\u0630\u0627\u0643\u0631\u0629 \u0644\u0644\u0639\u0646\u0635\u0631 i\u060c \u0648\u064a\u0642\u0648\u0645 *(arr + i) \u0628\u0640dereference  \u0627\u0644\u0645\u0624\u0634\u0631 \u0644\u0644\u0648\u0635\u0648\u0644 \u0625\u0644\u0649 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0645\u062e\u0632\u0646\u0629 \u0641\u064a \u0647\u0630\u0627 \u0627\u0644\u0639\u0646\u0648\u0627\u0646.<\/p>\n
    \u0627\u0644\u0645\u062e\u0631\u062c\u0627\u062a:
    \n\u0625\u0630\u0627 \u0642\u0645\u062a \u0628\u062a\u0634\u063a\u064a\u0644 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c\u060c \u0641\u0625\u0646 \u0627\u0644\u0645\u062e\u0631\u062c\u0627\u062a \u0633\u062a\u0643\u0648\u0646 \u0643\u0627\u0644\u062a\u0627\u0644\u064a:<\/p>\n
    11\r\n22\r\n33\r\n44\r\n55\r\n66\r\n77\r\n<\/pre>\n
     <\/p>\n
    \u0645\u062b\u0627\u0644 2:<\/strong><\/p>\n
    #include <iostream>\r\nusing namespace std;\r\nint main()\r\n{\r\n    int arr[7] = {11,22,33,44,55,66,77};\r\n    int *ptr;\r\n    ptr = arr;\r\n    for (size_t i = 0; i < 7; i++)\r\n    {\r\n        cout << *ptr << \" \";\r\n        ptr++;\r\n    }\r\n    return 0;\r\n}<\/pre>\n
    \u064a\u062d\u0642\u0642 \u0647\u0630\u0627 \u0627\u0644\u0643\u0648\u062f \u0646\u0641\u0633 \u0627\u0644\u0647\u062f\u0641 \u0643\u0645\u0627 \u0641\u064a \u0627\u0644\u0645\u062b\u0627\u0644 \u0627\u0644\u0633\u0627\u0628\u0642 \u0648\u0644\u0643\u0646\u0647 \u064a\u0633\u062a\u062e\u062f\u0645 \u0627\u0644\u0645\u0624\u0634\u0631 (ptr) \u0648\u0645\u0624\u0634\u0631\u064b\u0627 \u062d\u0633\u0627\u0628\u064a\u064b\u0627 \u0644\u0644\u062a\u0643\u0631\u0627\u0631 \u0639\u0628\u0631 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0629.<\/p>\n
    \u0627\u0644\u0645\u062e\u0631\u062c\u0627\u062a:
    \n\u0625\u0630\u0627 \u0642\u0645\u062a \u0628\u062a\u0634\u063a\u064a\u0644 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c\u060c \u0641\u0625\u0646 \u0627\u0644\u0645\u062e\u0631\u062c\u0627\u062a \u0633\u062a\u0643\u0648\u0646 \u0643\u0627\u0644\u062a\u0627\u0644\u064a:<\/p>\n
    11 22 33 44 55 66 77\r\n<\/pre>\n
    \u062a\u0645\u0631\u064a\u0631 \u0627\u0644\u0645\u0624\u0634\u0631\u0627\u062a \u0625\u0644\u0649 \u0627\u0644\u062f\u0648\u0627\u0644<\/h2>\n
    \u0639\u0646\u062f \u062a\u0645\u0631\u064a\u0631 \u0645\u0635\u0641\u0648\u0641\u0629 \u0625\u0644\u0649 \u062f\u0627\u0644\u0629\u060c \u0641\u0625\u0646\u0643 \u0641\u064a \u0627\u0644\u0648\u0627\u0642\u0639 \u062a\u0642\u0648\u0645 \u0628\u062a\u0645\u0631\u064a\u0631 \u0645\u0624\u0634\u0631 \u0625\u0644\u0649 \u0627\u0644\u0639\u0646\u0635\u0631 \u0627\u0644\u0623\u0648\u0644 \u0641\u064a \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0629. \u0648\u064a\u0631\u062c\u0639 \u0630\u0644\u0643 \u0625\u0644\u0649 \u062a\u062d\u0648\u0644 \u0627\u0644\u0645\u0635\u0641\u0648\u0641\u0629 \u0625\u0644\u0649 \u0645\u0624\u0634\u0631 \u0641\u064a arguments \u0627\u0644\u062f\u0627\u0644\u0629.<\/p>\n
    \u0645\u062b\u0627\u0644 3:<\/strong><\/p>\n
    \u064a\u0648\u0636\u062d \u0647\u0630\u0627 \u0627\u0644\u0643\u0648\u062f \u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0624\u0634\u0631\u0627\u062a \u0648\u0627\u0644\u062f\u0627\u0644\u0629 \u0627\u0644\u062a\u064a \u062a\u0639\u062f\u0644 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u062a\u064a \u062a\u0634\u064a\u0631 \u0625\u0644\u064a\u0647\u0627.<\/p>\n
    #include <iostream>\r\nusing namespace std;\r\nint fun(int *p)\r\n{\r\n    *p = *p + 1;\r\n    return *p;\r\n}\r\nint main()\r\n{\r\n    int x = 1;\r\n    int *ptr = &x;\r\n    cout << fun(ptr) << endl;\r\n    cout << x << endl;\r\n    cout << fun(&x) << endl;\r\n    cout << x << endl;\r\n    return 0;\r\n}\r\n<\/pre>\n
    \u0627\u0644\u0646\u0642\u0627\u0637 \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629:<\/p>\n
      \n
    1. \u062f\u0627\u0644\u0629 fun:
      \nint fun(int *p): \u064a\u0623\u062e\u0630 \u0627\u0644\u0645\u0624\u0634\u0631 \u0625\u0644\u0649 \u0639\u062f\u062f \u0635\u062d\u064a\u062d \u0643\u0640parameter.
      \n*p = *p + 1;: \u0632\u064a\u0627\u062f\u0629 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u062a\u064a \u064a\u0634\u064a\u0631 \u0625\u0644\u064a\u0647\u0627 \u0627\u0644\u0645\u0624\u0634\u0631.
      \nreturn *p;: \u0625\u0631\u062c\u0627\u0639 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u062a\u064a \u062a\u0645 \u062a\u062d\u062f\u064a\u062b\u0647\u0627.<\/li>\n
    2. \u0627\u0644\u062f\u0627\u0644\u0629 \u0627\u0644\u0631\u0626\u064a\u0633\u0629 main:
      \nint x = 1;: \u064a\u0639\u0644\u0646 \u0648\u064a\u0641\u0639\u0644 \u0645\u062a\u063a\u064a\u0631\u064b\u0627 \u0635\u062d\u064a\u062d\u064b\u0627 x.
      \nint *ptr = &x;: \u064a\u0639\u0644\u0646 \u0639\u0646 \u0645\u0624\u0634\u0631 ptr \u0648\u064a\u0639\u064a\u0646 \u0639\u0646\u0648\u0627\u0646 x \u0644\u0647.
      \ncout << fun(ptr) << endl;: \u064a\u0633\u062a\u062f\u0639\u064a \u0627\u0644\u062f\u0627\u0644\u0629 fun \u0628\u0627\u0633\u062a\u062e\u062f\u0627\u0645 \u0627\u0644\u0645\u0624\u0634\u0631 ptr \u0648\u064a\u0637\u0628\u0639 \u0627\u0644\u0646\u062a\u064a\u062c\u0629. \u0642\u064a\u0645\u0629 x \u0627\u0644\u0622\u0646 \u0647\u064a 2.
      \ncout << x << endl;: \u064a\u0637\u0628\u0639 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u062d\u0627\u0644\u064a\u0629 \u0644\u0640 x \u0628\u0639\u062f \u0627\u0633\u062a\u062f\u0639\u0627\u0621 \u0627\u0644\u062f\u0627\u0644\u0629. \u0648\u0647\u064a \u0627\u0644\u0622\u0646 2.
      \ncout << fun(&x) << endl;: \u064a\u0633\u062a\u062f\u0639\u064a \u0627\u0644\u0648\u0638\u064a\u0641\u0629 fun \u0628\u0639\u0646\u0648\u0627\u0646 x \u0645\u0628\u0627\u0634\u0631\u0629 \u0648\u064a\u0637\u0628\u0639 \u0627\u0644\u0646\u062a\u064a\u062c\u0629.
      \n\u0623\u0635\u0628\u062d\u062a \u0642\u064a\u0645\u0629 x \u0627\u0644\u0622\u0646 3.cout << x << endl;: \u064a\u0637\u0628\u0639 \u0627\u0644\u0642\u064a\u0645\u0629 \u0627\u0644\u0646\u0647\u0627\u0626\u064a\u0629 \u0644\u0640 x. \u0647\u0648 \u0627\u0644\u0622\u0646 3.<\/li>\n<\/ol>\n
      \u0627\u0644\u0645\u062e\u0631\u062c\u0627\u062a:
      \n\u0625\u0630\u0627 \u0642\u0645\u062a \u0628\u062a\u0634\u063a\u064a\u0644 \u0647\u0630\u0627 \u0627\u0644\u0628\u0631\u0646\u0627\u0645\u062c\u060c \u0641\u0625\u0646 \u0627\u0644\u0645\u062e\u0631\u062c\u0627\u062a \u0633\u062a\u0643\u0648\u0646 \u0643\u0627\u0644\u062a\u0627\u0644\u064a:<\/p>\n
      2\r\n2\r\n3\r\n3\r\n<\/pre>\n
       <\/p>","protected":false},"excerpt":{"rendered":"
      Arrays in C++ An array is a collection of elements of the same type stored in contiguous memory locations. In C++, arrays can be of primitive types (int, float, etc.) or user-defined types (structures, classes). Arrays have a fixed size, and the elements are accessed using an index. int numbers[5] = {1, 2, 3, 4, […]<\/p>","protected":false},"author":3,"featured_media":0,"parent":2744,"menu_order":36,"comment_status":"closed","ping_status":"closed","template":"","doc_tag":[],"class_list":["post-10094","docs","type-docs","status-publish","hentry","no-post-thumbnail"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs\/10094","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs"}],"about":[{"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/types\/docs"}],"author":[{"embeddable":true,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/comments?post=10094"}],"version-history":[{"count":8,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs\/10094\/revisions"}],"predecessor-version":[{"id":10102,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs\/10094\/revisions\/10102"}],"up":[{"embeddable":true,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/docs\/2744"}],"wp:attachment":[{"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/media?parent=10094"}],"wp:term":[{"taxonomy":"doc_tag","embeddable":true,"href":"https:\/\/adelnasim.com\/ar\/wp-json\/wp\/v2\/doc_tag?post=10094"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}