{"id":135,"date":"2015-12-10T14:13:06","date_gmt":"2015-12-10T05:13:06","guid":{"rendered":"http:\/\/b-lab.nagahama-i-bio.ac.jp\/~m_shionyu\/?page_id=135"},"modified":"2015-12-11T14:43:30","modified_gmt":"2015-12-11T05:43:30","slug":"c%e8%a8%80%e8%aa%9e%e8%ac%9b%e5%ba%a7%e3%80%80%e7%ac%ac%ef%bc%97%e5%9b%9e","status":"publish","type":"page","link":"https:\/\/b-lab.nagahama-i-bio.ac.jp\/~m_shionyu\/?page_id=135","title":{"rendered":"C\u8a00\u8a9e\u8b1b\u5ea7\u3000\u7b2c\uff17\u56de"},"content":{"rendered":"

\u95a2\u6570\u3078\u306e\uff08\u8907\u6570\u306e\uff09\u5024\u306e\u53d7\u3051\u6e21\u3057\uff08written by Taku Nakahara\uff09<\/h2>\n

\u524d\u56de\u306f\u3001\u95a2\u6570\u3092\u4f5c\u6210\u3057\u3066\u3001\u305d\u308c\u306b\u5bfe\u3057\u3066\u3072\u3068\u3064\u306e\u5909\u6570\u3092\u6e21\u3057\u305f\u308a\uff08\u5f15\u6570\uff09\u3001\u53d7\u3051\u53d6\u3063\u305f\u308a\uff08\u8fd4\u308a\u5024\uff09\u3057\u307e\u3057\u305f\u3002
\n\"fig7_1\"<\/a>
\n\u4eca\u56de\u306f\u3001\u8907\u6570\u306e\u5024\u3092\u6e21\u3057\u305f\u308a\u3001\u53d7\u3051\u53d6\u3063\u305f\u308a\u3059\u308b\u65b9\u6cd5\u3092\u3084\u308d\u3046\u3068\u601d\u3044\u307e\u3059\u3002
\n\"fig7_2\"<\/a>
\n\u307e\u305a\u3001\u8907\u6570\u500b\u306e\u5024\u3092\u6e21\u3059\u65b9\u6cd5\u3067\u3059\u304c\u3001\u3053\u308c\u306f\u7c21\u5358\u3067\u3059\u3002<\/p>\n

(shurrup_full_name.c)<\/p>\n

\r\n#include <stdio.h>\r\n  \r\nvoid func(char *, char *);\r\n  \r\nint main(int argc, char *argv[])\r\n{\r\n    char *lastname, *familyname;\r\n  \r\n    familyname = argv[1];\r\n    lastname = argv[2];\r\n    func(familyname, lastname);\r\n    return 0;\r\n}\r\n\r\nvoid func(char *sei, char *mei)\r\n{\r\n    printf("shurrup %s %s!\\n", sei, mei);\r\n}\r\n<\/pre>\n
\u3057\u308c\u3063\u3068\u30dd\u30a4\u30f3\u30bf\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u307e\u3042\u7279\u306b\u30b3\u30e1\u30f3\u30c8\u306f\u3057\u307e\u305b\u3093\u3002\u306a\u3093\u3068\u306a\u304f\u5206\u304b\u308b\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n
\u6b21\u306b\u3001\u8907\u6570\u500b\u306e\u5024\u3092\u8fd4\u3057\u3066\u3082\u3089\u3046\u65b9\u6cd5\u3067\u3059\u304c\u3001return\u5236\u5fa1\u6587\u3067\u306f\u3072\u3068\u3064\u306e\u5024\u3057\u304b\u8fd4\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002\u8907\u6570\u306e\u5024\u3092\u8fd4\u3057\u3066\u3082\u3089\u3046\u305f\u3081\u306b\u306f\u3001\u30dd\u30a4\u30f3\u30bf\u3092\u6e21\u3057\u3066\u3001\u305d\u306e\u30a2\u30c9\u30ec\u30b9\u306b\u3042\u308b\u5b9f\u4f53\u305d\u306e\u3082\u306e\u3092\u5909\u66f4\u3059\u308b\u3068\u3044\u3046\u65b9\u6cd5\u3092\u3068\u308a\u307e\u3059\u3002\u4f8b\u306b\u3088\u3063\u3066\u7406\u5c48\u306c\u304d\u3067\u3061\u3087\u3063\u3068\u5b9f\u9a13\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n
 (multivars1.c)<\/p>\n
\r\n#include <stdio.h>\r\n  \r\nvoid pass_vars(int, int);\r\n \r\nint main()\r\n{\r\n    int v1 = 100;\r\n    int v2 = 200;\r\n \r\n    printf("initial values in main()\\tv1=%d\\tv2=%d\\n", v1, v2);\r\n    pass_vars(v1, v2);\r\n    printf("processed values in main()\\tv1=%d\\tv2=%d\\n", v1, v2);\r\n    return 0;\r\n}\r\n\r\nvoid pass_vars(int v1, int v2)\r\n{\r\n    printf("initial values in pass_vars()\\tv1=%d\\tv2=%d\\n", v1, v2);\r\n    v1 = 300;\r\n    v2 = 400;\r\n    printf("processed values in pass_vars()\\tv1=%d\\tv2=%d\\n", v1, v2);\r\n}\r\n<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u306f\u4ee5\u4e0b\u306e\u901a\u308a<\/p>\n
\r\n initial values in main()        v1=100  v2=200\r\n initial values in pass_vars()   v1=100  v2=200\r\n processed values in pass_vars() v1=300  v2=400\r\n processed values in main()      v1=100  v2=200\r\n<\/pre>\n
\u3053\u306e\u7d50\u679c\u3092\u898b\u308b\u3068\u3001main()\u95a2\u6570\u304b\u3089\u6e21\u3057\u305f\u5024\u3092main()\u95a2\u6570\u5185\u304b\u3089printf\u3059\u308b\u3068\u3001\u307e\u3063\u305f\u304f\u5909\u308f\u3063\u3066\u3044\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u547c\u3073\u51fa\u3057\u95a2\u6570\u5185\u3067printf\u3057\u305f\u6642\u306b\u306f\u78ba\u304b\u306b\u5909\u5316\u3057\u3066\u3044\u305f\u3088\u3046\u3067\u3059\u3002\u3053\u308c\u306f\u3069\u3046\u3044\u3046\u3053\u3068\u3067\u3057\u3087\u3046\u304b\uff1f\u6b21\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u884c\u3057\u3066\u307f\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n
 (multivars2.c)<\/p>\n
\r\n#include <stdio.h>\r\n\r\nvoid pass_vars(int, int);\r\nvoid pass_address(int *, int *);\r\n\r\nint main()\r\n{\r\n    int v1 = 100;\r\n    int v2 = 200;\r\n\r\n    printf("initial values in main()\\tv1=%d\\tv2=%d\\n", v1, v2);\r\n    pass_vars(v1, v2);\r\n    printf("values after pass_vars in main()\\tv1=%d\\tv2=%d\\n", v1, v2);\r\n\r\n    pass_address(&v1, &v2);\r\n    printf("values after pass_address in main()\\tv1=%d\\tv2=%d\\n", v1, v2);\r\n    return 0;\r\n}\r\n\r\nvoid pass_vars(int v1, int v2)\r\n{\r\n    printf("initial values in pass_vars()\\tv1=%d\\tv2=%d\\n", v1, v2);\r\n    v1 = 300;\r\n    v2 = 400;\r\n    printf("processed values in pass_vars()\\tv1=%d\\tv2=%d\\n", v1, v2);\r\n}\r\n\r\nvoid pass_address(int *v1, int *v2)\r\n{\r\n    printf("initial values in pass_address()\\tv1=%d\\tv2=%d\\n", *v1, *v2);\r\n    *v1 = 300;\r\n    *v2 = 400;\r\n    printf("processed values in pass_address()\\tv1=%d\\tv2=%d\\n", *v1, *v2);\r\n}\r\n<\/pre>\n
\u5b9f\u884c\u7d50\u679c\u306f<\/p>\n
\r\n initial values in main()        v1=100  v2=200\r\n initial values in pass_vars()   v1=100  v2=200\r\n processed values in pass_vars() v1=300  v2=400\r\n values after pass_vars in main()        v1=100  v2=200\r\n initial values in pass_address()        v1=100  v2=200\r\n processed values in pass_address()      v1=300  v2=400\r\n values after pass_address in main()     v1=300  v2=400\r\n<\/pre>\n
\u3053\u3061\u3089\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u306fmain()\u95a2\u6570\u5185\u3067printf\u3092\u3059\u308b\u3068\u3001pass_address()\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u305f\u524d\u3068\u5f8c\u3067\u3001\u4e0e\u3048\u305f\u5024\u304c\u5909\u308f\u3063\u3066\u3044\u307e\u3059\u3002\u306a\u305c\u3053\u3046\u3044\u3046\u52d5\u4f5c\u3092\u3057\u305f\u306e\u304b\u3092\u7406\u89e3\u3059\u308b\u306b\u306f\u3001\u30dd\u30a4\u30f3\u30bf\u306b\u3064\u3044\u3066\u7406\u89e3\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u304c\u3001\u7406\u5c48\u3092\u3053\u306d\u308b\u3088\u308a\u3082\u5b9f\u969b\u306b\u30d7\u30ed\u30b0\u30e9\u30e0\u4e2d\u3067\u3069\u3046\u4f7f\u308f\u308c\u3066\u3044\u308b\u304b\u3092\u7406\u89e3\u3059\u308b\u307b\u3046\u304c\u3044\u3044\u3067\u3057\u3087\u3046\u3002<\/p>\n
\u307e\u305a\u3001\u95a2\u6570pass_address()\u3092main()\u4e2d\u3067\u547c\u3073\u51fa\u3059\u969b\u306b<\/p>\n
\r\npass_address(&v1, &v2);\r\n<\/pre>\n
\u3068\u3084\u3063\u3066\u3044\u307e\u3059\u3002&v1\u3068\u3044\u3046\u306e\u306f\u3001\u5909\u6570v1\u306e\u300c\u30a2\u30c9\u30ec\u30b9\u300d\u3092\u610f\u5473\u3057\u307e\u3059\u3002main()\u95a2\u6570\u306e\u4e2d\u3067v1\u306e\u300c\u5024\u300d\u306f100\u3067\u3059\u304c\u3001\u3053\u306e\u5024\u304c\u304a\u3044\u3066\u3042\u308b\u30e1\u30e2\u30ea\u4e0a\u306e\u4f4f\u6240\u304c\u300c\u30a2\u30c9\u30ec\u30b9\u300d\u3067\u3059\u3002\u3064\u307e\u308amain()\u95a2\u6570\u304cpass_address()\u95a2\u6570\u3092\u547c\u3073\u51fa\u3057\u3066\u4ed5\u4e8b\u3092\u767a\u6ce8\u3059\u308b\u3068\u304d\u306b\u306f100\u3068\u304b200\u3068\u304b\u306e\u5177\u4f53\u7684\u306a\u5024\u3092\u6e21\u3059\u306e\u3067\u306f\u306a\u304f\u3066\u3001\u300cv1\u306e\u4f4f\u6240\u304c\u3053\u3053\u3067\u3001v2\u306e\u4f4f\u6240\u304c\u3053\u3053\u3067\u3059\u3088\u3002\u3088\u308d\u3057\u304f\u300d\u3068\u3044\u3046\u611f\u3058\u3067\u3001\u51e6\u7406\u3057\u3066\u307b\u3057\u3044\u5024\u306e\u3042\u308b\u300c\u4f4f\u6240\u300d\u3092\u6307\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n
\u3067\u306f\u3001\u53d7\u3051\u53d6\u308b\u307b\u3046\u306f\u3069\u3046\u53d7\u3051\u53d6\u3063\u3066\u3044\u308b\u304b\u3068\u3044\u3046\u3068\u3001<\/p>\n
\r\nvoid pass_address(int *v1, int *v2) { \u2026 }\r\n<\/pre>\n
\u3068\u3044\u3046\u611f\u3058\u3067\u53d7\u3051\u53d6\u3063\u3066\u3044\u307e\u3059\u3002int *v1\u3068\u3044\u3046\u306e\u306f\u3001int\u578b\u306e*v1\u3068\u3044\u3046\u5909\u6570\u3067\u306f\u306a\u304f\u3066\u300cint\u578b\u306e\u30a2\u30c9\u30ec\u30b9\u306e\u5165\u308b\u300d\u30dd\u30a4\u30f3\u30bf\u578b\u306e\u5909\u6570*v1\u3068\u3044\u3046\u3053\u3068\u3092\u610f\u5473\u3057\u307e\u3059\u3002main()\u306e\u4e2d\u304b\u3089\u6295\u3052\u3089\u308c\u305f&v1\u3068\u3044\u3046\u30a2\u30c9\u30ec\u30b9\u306fpass_address()\u95a2\u6570\u3067\u306f*v1\u306b\u4ee3\u5165\u3055\u308c\u307e\u3059\u3002*v1\u306f\u5358\u306a\u308b\u30a2\u30c9\u30ec\u30b9\u3067\u306f\u306a\u304f\u305d\u306e\u30a2\u30c9\u30ec\u30b9\u306e\u6307\u5b9a\u3059\u308b\u5b9f\u4f53\u3092\u6307\u3057\u793a\u3059(point\u3059\u308b)\u3082\u306e(= pointer)\u306a\u306e\u3067\u3001\u30dd\u30a4\u30f3\u30bf\u5909\u6570\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u306f\u3001\u305d\u306e\u30dd\u30a4\u30f3\u30bf\u306e\u6307\u3057\u793a\u3059\u5b9f\u4f53\u3092\u64cd\u4f5c\u3059\u308b\u3053\u3068\u3068\u7b49\u4fa1\u3067\u3059\u3002\u306a\u306e\u3067<\/p>\n
\r\n*v1 = 300;\r\n<\/pre>\n
\u3068\u3084\u308b\u3068\u3001*v1\u3067\u6307\u3057\u793a\u3057\u3066\u3044\u308b\u30a2\u30c9\u30ec\u30b9\uff08\uff1d\u3053\u308c\u306fmain()\u4e2d\u306ev1\u306e\u30a2\u30c9\u30ec\u30b9\u3068\u540c\u3058\uff09\u306b\u3042\u308b\u5909\u6570\u306e\u5b9f\u4f53\u3092300\u306b\u3059\u308b\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n
\u6700\u5f8c\u306b\u3001\u7c21\u5358\u306a\u95a2\u6570\u9593\u3067\u5024\u3092\u53d7\u3051\u6e21\u3059\uff08\u5171\u6709\u3059\u308b\uff09\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u3053\u308c\u4ee5\u4e0a\u306a\u3044\u304f\u3089\u3044\u306b\u56de\u308a\u304f\u3069\u304f\u8aac\u660e\u3057\u3066\u7d42\u308f\u308a\u306b\u3057\u307e\u3059\u3002<\/p>\n
 (pointerMechanism.c)<\/p>\n
\r\n#include <stdio.h>\r\n\r\nvoid function(int, int *);\r\n \r\nint main()\r\n{\r\n    int c1 = 100;\r\n    int c2 = 120;\r\n\r\n    printf("address: &c1 = %p  &c2 = %p\\n", &c1, &c2);\r\n    printf("value before function: c1 = %d  c2 = %d\\n", c1, c2);\r\n\r\n    function(c1, &c2);\r\n\r\n    printf("value after function: c1 = %d  c2 = %d\\n", c1, c2);\r\n}\r\n\r\nvoid function(int a, int *b)\r\n{\r\n    printf("address: &a = %p  &b = %p\\n", &a, &b);\r\n    printf("value: a = %d  b = %p\\n", a, b);\r\n\r\n    printf("initial real value in function: a = %d  *b = %d\\n", a, *b);\r\n    a *= 2;\r\n    *b *= 2;\r\n    printf("processed real value in function: a = %d  *b = %d\\n", a, *b);\r\n}\r\n<\/pre>\n
\u3053\u306e\u5b9f\u884c\u7d50\u679c\u304c<\/p>\n
\r\n address: &c1 = 0xbffff5b8  &c2 = 0xbffff5bc\r\n value before function: c1 = 100  c2 = 120\r\n address: &a = 0xbffff598  &b = 0xbffff59c\r\n value: a = 100  b = 0xbffff5bc\r\n initial real value in function: a = 100  *b = 120\r\n processed real value in function: a = 200  *b = 240\r\n value after function: c1 = 100  c2 = 240\r\n<\/pre>\n
\u30a2\u30c9\u30ec\u30b9\u306f\u3001\u5b9f\u884c\u306e\u305f\u3073\u306b\u7570\u306a\u3063\u305f\u5834\u6240\u306b\u8a2d\u5b9a\u3055\u308c\u308b\u306e\u3067\u3001\u6bce\u56de\u9055\u3046\u5024\u304c\u51fa\u307e\u3059\u3002\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067\u5909\u6570\u306e\u30a2\u30c9\u30ec\u30b9\u3084\u5b9f\u4f53\u304c\u3069\u306e\u3088\u3046\u306b\u5909\u5316\u3057\u305f\u306e\u304b\u306e\u30d5\u30ed\u30fc\u304c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002
\n\"fig7_3\"<\/a>
\n\u3053\u306e\u3088\u3046\u306b\u3057\u3066\u95a2\u6570\u9593\u3067\u306f\u30a2\u30c9\u30ec\u30b9\u3092\u5171\u6709\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u8907\u6570\u306e\u8fd4\u308a\u5024\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u4eca\u65e5\u306f\u3053\u308c\u3067\u7d42\u308f\u308a\u3067\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u95a2\u6570\u3078\u306e\uff08\u8907\u6570\u306e\uff09\u5024\u306e\u53d7\u3051\u6e21\u3057\uff08written by Taku Nakahara\uff09 \u524d\u56de\u306f\u3001\u95a2\u6570\u3092\u4f5c\u6210\u3057\u3066\u3001\u305d\u308c\u306b\u5bfe\u3057\u3066\u3072\u3068\u3064\u306e\u5909\u6570\u3092\u6e21\u3057\u305f\u308a\uff08\u5f15\u6570\uff09\u3001\u53d7\u3051\u53d6\u3063\u305f\u308a\uff08\u8fd4\u308a\u5024\uff09\u3057\u307e\u3057\u305f\u3002 \u4eca\u56de\u306f\u3001\u8907\u6570\u306e\u5024\u3092\u6e21\u3057\u305f\u308a\u3001\u53d7\u3051\u53d6 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":96,"menu_order":7,"comment_status":"closed","ping_status":"closed","template":"","meta":{"sns_share_botton_hide":"","vkExUnit_sns_title":"","_vk_print_noindex":"","sitemap_hide":"","vkExUnit_sitemap":"","_veu_custom_css":"","veu_display_promotion_alert":"","_exclude_from_list_pages":"","vkexunit_cta_each_option":"","vkExUnit_childPageIndex":"","vkExUnit_pageList_ancestor":"","vkExUnit_contact_enable":"","_lightning_design_setting":[],"footnotes":""},"class_list":["post-135","page","type-page","status-publish","hentry"],"veu_head_title_object":{"title":"","add_site_title":""},"_links":{"self":[{"href":"https:\/\/b-lab.nagahama-i-bio.ac.jp\/~m_shionyu\/index.php?rest_route=\/wp\/v2\/pages\/135","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/b-lab.nagahama-i-bio.ac.jp\/~m_shionyu\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/b-lab.nagahama-i-bio.ac.jp\/~m_shionyu\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/b-lab.nagahama-i-bio.ac.jp\/~m_shionyu\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/b-lab.nagahama-i-bio.ac.jp\/~m_shionyu\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=135"}],"version-history":[{"count":9,"href":"https:\/\/b-lab.nagahama-i-bio.ac.jp\/~m_shionyu\/index.php?rest_route=\/wp\/v2\/pages\/135\/revisions"}],"predecessor-version":[{"id":182,"href":"https:\/\/b-lab.nagahama-i-bio.ac.jp\/~m_shionyu\/index.php?rest_route=\/wp\/v2\/pages\/135\/revisions\/182"}],"up":[{"embeddable":true,"href":"https:\/\/b-lab.nagahama-i-bio.ac.jp\/~m_shionyu\/index.php?rest_route=\/wp\/v2\/pages\/96"}],"wp:attachment":[{"href":"https:\/\/b-lab.nagahama-i-bio.ac.jp\/~m_shionyu\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}