{"id":6899,"date":"2026-07-02T08:30:00","date_gmt":"2026-07-01T23:30:00","guid":{"rendered":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/?page_id=6899"},"modified":"2026-06-28T14:45:20","modified_gmt":"2026-06-28T05:45:20","slug":"p1203","status":"publish","type":"page","link":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice\/p12\/p1203\/","title":{"rendered":"\u7df4\u7fd2 [12] \u30dd\u30a4\u30f3\u30bf\u2461\uff083\/5\uff09"},"content":{"rendered":"<div class=\"breadcrumbs align wp-block-bcn-breadcrumb-trail has-text-color has-background\" vocab=\"https:\/\/schema.org\/\" typeof=\"BreadcrumbList\">\n\t<span><\/span>\n\t<span property=\"itemListElement\" typeof=\"ListItem\"><a property=\"item\" typeof=\"WebPage\" title=\"Go to \u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u5de5\u5b66\u7814\u7a76\u5ba4.\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\" class=\"home\" aria-current=\"page\"><span property=\"name\">\u30db\u30fc\u30e0<\/span><\/a><meta property=\"position\" content=\"1\"><\/span><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-light-green-cyan-background-color has-background\"><strong>\u7df4\u7fd2 3<\/strong>\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1ap1203.c\uff09<\/h4>\n\n\n\n<p class=\"problem wp-block-paragraph\">\u307e\u305a\uff0c<a rel=\"noreferrer noopener\" href=\"\/lecture\/prog\/material\/p1203.c\" target=\"_blank\">\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08p1203.c\uff09<\/a>\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3055\u3044\uff0e<br>p1203.c \u3067\u306f\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e03\uff08sample3.c\uff09\u3092\u6b21\u306e\u3088\u3046\u306b\u7de8\u96c6\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u9014\u4e2d\u306e\u3082\u306e\uff08\u672a\u5b8c\u6210\uff09\u3068\u306a\u3063\u3066\u3044\u308b\uff1a<br><br>\u3000\u95a2\u6570 <kbd>string_copy<\/kbd> \u306b<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u7b2c 3 \u306e\u5f15\u6570 <\/span><\/strong><span class=\"tadv-color\" style=\"color:#0000ff\"><kbd><strong>n<\/strong><\/kbd><\/span><strong><span class=\"tadv-color\" style=\"color:#0000ff\">\uff08int \u578b\uff09\u3092\u8ffd\u52a0<\/span><\/strong>\u3057\u3066\u3044\u308b\uff0e<br>\u3000\u65b0\u3057\u3044 <kbd>string_copy<\/kbd> \u3067\u306f\uff0c<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u5148\u982d\u304b\u3089 <\/span><\/strong><span class=\"tadv-color\" style=\"color:#0000ff\"><kbd><strong>n<\/strong><\/kbd><\/span><strong><span class=\"tadv-color\" style=\"color:#0000ff\"> \u6587\u5b57\u3060\u3051\u306f\u305d\u306e\u307e\u307e\u30b3\u30d4\u30fc<\/span><\/strong>\u3059\u308b\u304c\uff0c<br>\u3000<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u6b8b\u308a\u306e\u6587\u5b57\u306b\u3064\u3044\u3066\u306f <\/span><\/strong><span class=\"tadv-color\" style=\"color:#ff0000\"><kbd><strong>*<\/strong><\/kbd><\/span><strong><span class=\"tadv-color\" style=\"color:#ff0000\"> \u3092\u30b3\u30d4\u30fc<\/span><\/strong>\u3059\u308b\u3088\u3046\u306b\u3057\u305f\u3044\uff0e<br>\u3000\uff08<kbd>n<\/kbd> \u306f 1 \u4ee5\u4e0a\u3067\u3042\u308a\uff0c\u306a\u304a\u304b\u3064\u30b3\u30d4\u30fc\u5143\u306e\u6587\u5b57\u6570\u4ee5\u4e0b\u3067\u3042\u308b\u3068\u4eee\u5b9a\u3057\u3066\u3088\u3044\uff09<br><br><strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u95a2\u6570 <kbd>string_copy<\/kbd> \u3092\u5b8c\u6210\u3055\u305b\u306a\u3055\u3044<\/span><\/strong>\uff0e<br>\u306a\u304a\uff0c<kbd>string_copy<\/kbd> \u306e\u4e2d\u3067\u306f\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0 3 \u3068\u540c\u3058\u304f while \u6587\u3092\u4f7f\u3063\u3066\u3044\u308b\u304c\uff0c\u3053\u308c\u3092 for \u6587\u3067\u66f8\u304d\u63db\u3048\u3066\u3082\u3088\u3044\u3082\u306e\u3068\u3059\u308b\uff0e\uff08\u3069\u3061\u3089\u3067\u66f8\u3044\u3066\u3082\u6b63\u89e3\u3068\u307f\u306a\u3059\uff09<br><br><strong>\u3010\u6ce8\u610f\u3011<\/strong><br>\u25cf <strong><mark style=\"background-color:#ffeb00\" class=\"has-inline-color\">\u95a2\u6570 <\/mark><\/strong><kbd><mark style=\"background-color:#ffeb00\" class=\"has-inline-color\"><strong>main<\/strong><\/mark><\/kbd><strong><mark style=\"background-color:#ffeb00\" class=\"has-inline-color\"> \u306e\u5185\u5bb9\u3092\u66f8\u304d\u63db\u3048\u3066\u306f\u3044\u3051\u307e\u305b\u3093\uff0e<\/mark><span class=\"tadv-background-color\" style=\"background-color:#ffeb00\"><\/span><span class=\"tadv-color\" style=\"color:#ff0000\"><\/span><\/strong><br>\u25cf <mark style=\"background-color:#00ffd4\" class=\"has-inline-color\"><strong>\u95a2\u6570 <\/strong><kbd><strong>string_copy<\/strong><\/kbd><strong> \u306e\u623b\u308a\u5024\u578b\u3084\u5f15\u6570\u3092\u5909\u66f4\u3057\u3066\u306f\u3044\u3051\u307e\u305b\u3093<\/strong>\uff0e<\/mark><\/p>\n\n\n\n<p class=\"hint wp-block-paragraph\"><strong>\u3010\u7279\u306b\u6ce8\u610f\u3059\u3079\u304d\u3053\u3068\u3011<\/strong><br>\u30b3\u30d4\u30fc\u5148\u306e char \u914d\u5217 <kbd>to<\/kbd> \u3078\u3059\u3079\u3066\u306e\u6587\u5b57\u3092\u4ee3\u5165\u3057\u305f\u5f8c\u306b\u306f\uff0c<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u6587\u5b57\u5217\u306e\u7d42\u7aef\u3092\u8868\u3059\u30ca\u30eb\u6587\u5b57\uff08<kbd>'\\0'<\/kbd>\uff09\u3082\u66f8\u304d\u8fbc\u3080\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/span><\/strong>\u306e\u3067\u5fd8\u308c\u306a\u3044\u3088\u3046\uff08<mark style=\"background-color:#fff300\" class=\"has-inline-color\">\u9593\u9055\u3048\u3066 <kbd>to[i] = '\\0';<\/kbd> \u3092\u6d88\u3055\u306a\u3044\u3088\u3046<\/mark>\uff09\u306b\u6ce8\u610f\u3057\u307e\u3057\u3087\u3046\uff0e<br><br>\u307e\u305f\uff0c\u65e2\u306b\u5b66\u3093\u3060\u3088\u3046\u306b\u6587\u5b57\u5217\u306e\u5834\u5408\u306f\u30ca\u30eb\u6587\u5b57\uff08<kbd>'\\0'<\/kbd>\uff09\u307e\u3067\u304c\u6709\u52b9\u306a\u30c7\u30fc\u30bf\u306a\u306e\u3067\uff0c\u305d\u308c\u4ee5\u964d\u306b\u3064\u3044\u3066\u306f\u51e6\u7406\u3059\u308b\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\uff0e\u3064\u307e\u308a\uff0cfor \u6587\u3084 while \u6587\u3067\u914d\u5217\u306e\u672b\u5c3e\uff08\u6dfb\u5b57\u304c <kbd>SIZE-1<\/kbd> \u306e\u4f4d\u7f6e\uff09\u307e\u3067\u3092\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3088\u3046\u306a\u51e6\u7406\u306f\u5fc5\u8981\u306f\u3042\u308a\u307e\u305b\u3093\uff0e<br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u3010\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4f8b\u3011\uff08\u305d\u306e\uff11\uff09<\/strong>\u203b<span style=\"color:#ff0000\" class=\"has-inline-color\">\u8d64\u5b57<\/span>\u306f\u5b9f\u884c\u6642\u306b\u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u5165\u529b\u3059\u308b\u5185\u5bb9<\/li>\n<\/ul>\n\n\n\n<pre class=\"example\" style=\"width: 500px; margin-top: -15pt; margin-bottom: 10px;\">\u6587\u5b57\u5217\uff08\u7a7a\u767d\u7121\u3057\uff09\u3092 1 \u3064\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">programming<\/span>\n\u5148\u982d\u304b\u3089\u4f55\u6587\u5b57\u3092\u305d\u306e\u307e\u307e\u30b3\u30d4\u30fc\u3057\u307e\u3059\u304b\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">5<\/span>\n\u30b3\u30d4\u30fc\u3057\u305f\u6587\u5b57\u5217\uff1a&lt;progr******&gt;<span style=\"color:#00aa00\">\u23ce<\/span>\n\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u3010\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4f8b\u3011\uff08\u305d\u306e\uff12\uff09<\/strong>\u203b<span style=\"color: #ff0000;\" class=\"has-inline-color\">\u8d64\u5b57<\/span>\u306f\u5b9f\u884c\u6642\u306b\u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u5165\u529b\u3059\u308b\u5185\u5bb9<\/li>\n<\/ul>\n\n\n\n<pre class=\"example\" style=\"width: 500px; margin-top: -15pt; margin-bottom: 10px;\">\u6587\u5b57\u5217\uff08\u7a7a\u767d\u7121\u3057\uff09\u3092 1 \u3064\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">sample<\/span>\n\u5148\u982d\u304b\u3089\u4f55\u6587\u5b57\u3092\u305d\u306e\u307e\u307e\u30b3\u30d4\u30fc\u3057\u307e\u3059\u304b\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">6<\/span>\n\u30b3\u30d4\u30fc\u3057\u305f\u6587\u5b57\u5217\uff1a&lt;sample&gt;<span style=\"color:#00aa00\">\u23ce<\/span>\n\n<\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u3010\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u5b9f\u884c\u4f8b\u3011\uff08\u305d\u306e\uff13\uff09<\/strong>\u203b<span style=\"color: #ff0000;\" class=\"has-inline-color\">\u8d64\u5b57<\/span>\u306f\u5b9f\u884c\u6642\u306b\u30ad\u30fc\u30dc\u30fc\u30c9\u304b\u3089\u5165\u529b\u3059\u308b\u5185\u5bb9<\/li>\n<\/ul>\n\n\n\n<pre class=\"example\" style=\"width: 500px; margin-top: -15pt; margin-bottom: 10px;\">\u6587\u5b57\u5217\uff08\u7a7a\u767d\u7121\u3057\uff09\u3092 1 \u3064\u5165\u529b\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">aaaa<\/span>\n\u5148\u982d\u304b\u3089\u4f55\u6587\u5b57\u3092\u305d\u306e\u307e\u307e\u30b3\u30d4\u30fc\u3057\u307e\u3059\u304b\uff1a<span class=\"has-inline-color\" style=\"color: #ff0000;\">1<\/span>\n\u30b3\u30d4\u30fc\u3057\u305f\u6587\u5b57\u5217\uff1a&lt;a***&gt;<span style=\"color:#00aa00\">\u23ce<\/span>\n\n<\/pre>\n\n\n\n<p class=\"miss wp-block-paragraph\"><strong>\u3010\u904e\u53bb\u306b\u3042\u3063\u305f\u30df\u30b9\uff08\u6e1b\u70b9\u3068\u306a\u308a\uff0c\u3084\u308a\u76f4\u3057\u3092\u547d\u3058\u3089\u308c\u308b\uff09\u3011<\/strong> <br> \u25a0 <strong><mark style=\"background-color:rgba(0, 0, 0, 0);color: #ff0000;\" class=\"has-inline-color\">3 \u7a2e\u985e\u306e\u5b9f\u884c\u4f8b\u3092\u78ba\u8a8d\u305b\u305a\u306b<\/mark>\u63d0\u51fa<\/strong>\u3057\u3066\u3057\u307e\u3063\u3066\u3044\u308b\uff0e<br> \u25a0 \u30b3\u30d4\u30fc\u5148\u306e char \u914d\u5217\u3078<strong><span class=\"tadv-color\" style=\"color:#ff0000\">\u30ca\u30eb\u6587\u5b57\uff08<\/span><\/strong><span class=\"tadv-color\" style=\"color:#ff0000\"><kbd><strong>'\\0'<\/strong><\/kbd><\/span><strong><span class=\"tadv-color\" style=\"color:#ff0000\">\uff09\u3092\u66f8\u304d\u640d\u306d\u3066<\/span><\/strong>\u3044\u3066\uff0c\u6587\u5b57\u5217\u8868\u793a\u306e<strong><span class=\"tadv-color\" style=\"color:#0000ff\">\u672b\u5c3e\u304c\u6587\u5b57\u5316\u3051<\/span><\/strong>\u3057\u3066\u3044\u308b\uff0e<br> \u25a0 <strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-strong-blue-color\">\u30a4\u30f3\u30c7\u30f3\u30c8\u306b\u4e0d\u5099<\/mark><\/strong>\u304c\u3042\u308b\uff08<a rel=\"noreferrer noopener\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/vscode-%e4%b8%8a%e3%81%a7%e3%82%a4%e3%83%b3%e3%83%87%e3%83%b3%e3%83%88%e3%82%92%e8%87%aa%e5%8b%95%e3%81%a7%e6%8f%83%e3%81%88%e3%82%8b%e6%96%b9%e6%b3%95\/\" target=\"_blank\">VSCode \u4e0a\u3067\u30a4\u30f3\u30c7\u30f3\u30c8\u3092\u81ea\u52d5\u3067\u63c3\u3048\u308b\u4f5c\u696d<\/a>\u3092\u3084\u3063\u3066\u3044\u306a\u3044\uff09\uff0e <\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-black-color has-css-opacity has-black-background-color has-background is-style-wide\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8f761849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<p class=\"wp-block-paragraph\">\u2190 [ <a href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice\/p12\/p1202\/\">\u7df4\u7fd2 2 (p1202.c)<\/a> ]<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p class=\"has-text-align-right wp-block-paragraph\"><strong>\u30df\u30b9\u304c\u7121\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u305f\u3089<\/strong>\u6b21\u306e\u554f\u984c\u3078 \u2192 [ <a href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice\/p12\/p1204\/\">\u7df4\u7fd2 4 (p1204.c)<\/a> ]<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u7df4\u7fd2 3\uff08\u63d0\u51fa\u30d7\u30ed\u30b0\u30e9\u30e0\u540d\uff1ap1203.c\uff09 \u307e\u305a\uff0c\u3053\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\uff08p1203.c\uff09\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3057\u306a\u3055\u3044\uff0ep1203.c \u3067\u306f\u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e03\uff08sample3.c\uff09\u3092\u6b21\u306e\u3088\u3046\u306b\u7de8\u96c6\u3057\u3088\u3046\u3068\u3057\u3066\u3044\u308b\u9014\u4e2d\u306e\u3082\u306e\uff08\u672a\u5b8c\u6210 <a class=\"more-link\" href=\"https:\/\/se.cite.ehime-u.ac.jp\/jp\/lecture\/prog\/practice\/p12\/p1203\/\">&#8230; more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":2109,"menu_order":2,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-6899","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/6899","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/comments?post=6899"}],"version-history":[{"count":22,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/6899\/revisions"}],"predecessor-version":[{"id":11790,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/6899\/revisions\/11790"}],"up":[{"embeddable":true,"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/pages\/2109"}],"wp:attachment":[{"href":"https:\/\/se.cite.ehime-u.ac.jp\/jp\/wp-json\/wp\/v2\/media?parent=6899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}