{"id":1484,"date":"2025-08-01T18:25:37","date_gmt":"2025-08-01T10:25:37","guid":{"rendered":"https:\/\/www.hgfwq.com\/blog\/?p=1484"},"modified":"2025-08-01T18:25:37","modified_gmt":"2025-08-01T10:25:37","slug":"c-%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%8b%bc%e6%8e%a5%e7%9a%84%e5%a4%9a%e7%a7%8d%e6%96%b9%e6%b3%95%e4%b8%8e%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9","status":"publish","type":"post","link":"https:\/\/www.hgfwq.com\/blog\/1484.html","title":{"rendered":"C \u5b57\u7b26\u4e32\u62fc\u63a5\u7684\u591a\u79cd\u65b9\u6cd5\u4e0e\u6ce8\u610f\u4e8b\u9879"},"content":{"rendered":"

\u6587\u7ae0\u6807\u9898\uff1aC \u5b57\u7b26\u4e32\u62fc\u63a5\u6307\u5357<\/h><\/p>\n

\"C<\/p>\n

1. \u5f15\u8a00<\/p>\n<\/p>\n

\u5728C\u8bed\u8a00\u7f16\u7a0b\u4e2d\uff0c\u5b57\u7b26\u4e32\u64cd\u4f5c\u662f\u975e\u5e38\u57fa\u7840\u4e14\u91cd\u8981\u7684\u90e8\u5206\u3002\u5b57\u7b26\u4e32\u62fc\u63a5\u662f\u6307\u5c06\u4e24\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u5728\u4e00\u8d77\u5f62\u6210\u4e00\u4e2a\u65b0\u5b57\u7b26\u4e32\u7684\u8fc7\u7a0b\u3002C\u8bed\u8a00\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5\uff0c\u5305\u62ec\u4f7f\u7528\u6807\u51c6\u5e93\u51fd\u6570\u548c\u624b\u52a8\u64cd\u4f5c\u5b57\u7b26\u6570\u7ec4\u3002\u672c\u6587\u5c06\u8be6\u7ec6\u4ecb\u7ecdC\u8bed\u8a00\u4e2d\u7684\u5b57\u7b26\u4e32\u62fc\u63a5\u65b9\u6cd5\uff0c\u5e76\u63d0\u4f9b\u8be6\u7ec6\u7684\u6307\u5357\u3002<\/p>\n

2. \u4f7f\u7528\u6807\u51c6\u5e93\u51fd\u6570\u62fc\u63a5\u5b57\u7b26\u4e32<\/p>\n<\/p>\n

\u5728C\u8bed\u8a00\u4e2d\uff0c\u6700\u5e38\u7528\u7684\u5b57\u7b26\u4e32\u62fc\u63a5\u51fd\u6570\u662f`strcat`\u548c`strcpy`\u3002\u4ee5\u4e0b\u662f\u5bf9\u8fd9\u4e24\u4e2a\u51fd\u6570\u7684\u8be6\u7ec6\u8bf4\u660e\uff1a<\/p>\n

2.1. \u4f7f\u7528strcat\u51fd\u6570\u62fc\u63a5\u5b57\u7b26\u4e32<\/h><\/p>\n

`strcat`\u51fd\u6570\u7528\u4e8e\u8fde\u63a5\u4e24\u4e2a\u5b57\u7b26\u4e32\uff0c\u5b83\u5c06\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32\u7684\u526f\u672c\u8ffd\u52a0\u5230\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u672b\u5c3e\u3002\u4ee5\u4e0b\u662f`strcat`\u51fd\u6570\u7684\u58f0\u660e\u548c\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

“`c<\/p>\n

char strcat(char dest, const char src);<\/p>\n

“`<\/p>\n

\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

“`c<\/p>\n

include <\/p>\n

include <\/p>\n

int main() {<\/p>\n

char str1[100] = “Hello, “;<\/p>\n

char str2[] = “World!”;<\/p>\n

strcat(str1, str2);<\/p>\n

printf(“Concatenated String: %s\\n”, str1);<\/p>\n

return 0;<\/p>\n

}<\/p>\n

“`<\/p>\n

\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c`str1`\u548c`str2`\u662f\u4e24\u4e2a\u5b57\u7b26\u6570\u7ec4\uff0c`strcat`\u51fd\u6570\u5c06`str2`\u7684\u5185\u5bb9\u8ffd\u52a0\u5230`str1`\u7684\u672b\u5c3e\u3002<\/p>\n

2.2. \u4f7f\u7528strcpy\u51fd\u6570\u62fc\u63a5\u5b57\u7b26\u4e32<\/h><\/p>\n

`strcpy`\u51fd\u6570\u7528\u4e8e\u590d\u5236\u4e00\u4e2a\u5b57\u7b26\u4e32\u5230\u53e6\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e2d\uff0c\u5b83\u4f1a\u8986\u76d6\u76ee\u6807\u5b57\u7b26\u4e32\u4e2d\u73b0\u6709\u7684\u5185\u5bb9\u3002\u4ee5\u4e0b\u662f`strcpy`\u51fd\u6570\u7684\u58f0\u660e\u548c\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

“`c<\/p>\n

char strcpy(char dest, const char src);<\/p>\n

“`<\/p>\n

\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n

“`c<\/p>\n

include <\/p>\n

include <\/p>\n

int main() {<\/p>\n

char str1[100] = “Hello, “;<\/p>\n

char str2[] = “World!”;<\/p>\n

strcpy(str1, str2);<\/p>\n

printf(“Copied String: %s\\n”, str1);<\/p>\n

return 0;<\/p>\n

}<\/p>\n

“`<\/p>\n

\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c`str1`\u548c`str2`\u662f\u4e24\u4e2a\u5b57\u7b26\u6570\u7ec4\uff0c`strcpy`\u51fd\u6570\u5c06`str2`\u7684\u5185\u5bb9\u590d\u5236\u5230`str1`\u4e2d\u3002<\/p>\n

3. \u624b\u52a8\u62fc\u63a5\u5b57\u7b26\u4e32<\/p>\n<\/p>\n

\u9664\u4e86\u4f7f\u7528\u6807\u51c6\u5e93\u51fd\u6570\u5916\uff0c\u8fd8\u53ef\u4ee5\u901a\u8fc7\u624b\u52a8\u64cd\u4f5c\u5b57\u7b26\u6570\u7ec4\u6765\u62fc\u63a5\u5b57\u7b26\u4e32\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u624b\u52a8\u62fc\u63a5\u5b57\u7b26\u4e32\u7684\u793a\u4f8b\uff1a<\/p>\n

“`c<\/p>\n

include <\/p>\n

void manual_strcat(char dest, const char src) {<\/p>\n

while (dest) {<\/p>\n

dest++;<\/p>\n

}<\/p>\n

while (src) {<\/p>\n

dest++ = src++;<\/p>\n

}<\/p>\n

dest = ‘\\0’; \/\/ \u6dfb\u52a0\u5b57\u7b26\u4e32\u7ed3\u675f\u7b26<\/p>\n

}<\/p>\n

int main() {<\/p>\n

char str1[100] = “Hello, “;<\/p>\n

char str2[] = “World!”;<\/p>\n

manual_strcat(str1, str2);<\/p>\n

printf(“Manually Concatenated String: %s\\n”, str1);<\/p>\n

return 0;<\/p>\n

}<\/p>\n

“`<\/p>\n

\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c`manual_strcat`\u51fd\u6570\u901a\u8fc7\u904d\u5386\u4e24\u4e2a\u5b57\u7b26\u4e32\u7684\u5b57\u7b26\uff0c\u624b\u52a8\u5c06`src`\u4e2d\u7684\u5b57\u7b26\u590d\u5236\u5230`dest`\u7684\u672b\u5c3e\u3002<\/p>\n

4. \u6ce8\u610f\u4e8b\u9879<\/p>\n<\/p>\n

\u5728\u4f7f\u7528\u5b57\u7b26\u4e32\u62fc\u63a5\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n

4.1. \u8db3\u591f\u7684\u7a7a\u95f4<\/h><\/p>\n

\u786e\u4fdd\u76ee\u6807\u5b57\u7b26\u4e32\u6570\u7ec4\u6709\u8db3\u591f\u7684\u7a7a\u95f4\u6765\u5bb9\u7eb3\u62fc\u63a5\u540e\u7684\u5b57\u7b26\u4e32\uff0c\u4ee5\u907f\u514d\u7f13\u51b2\u533a\u6ea2\u51fa\u3002<\/p>\n

4.2. \u5b57\u7b26\u4e32\u7ed3\u675f\u7b26<\/h><\/p>\n

\u5728\u62fc\u63a5\u5b8c\u6210\u540e\uff0c\u786e\u4fdd\u65b0\u5b57\u7b26\u4e32\u4ee5\u7a7a\u5b57\u7b26`’\\0’`\u7ed3\u5c3e\u3002<\/p>\n

4.3. \u907f\u514d\u5185\u5b58\u6cc4\u6f0f<\/h><\/p>\n

\u5982\u679c\u4f7f\u7528\u52a8\u6001\u5206\u914d\u7684\u5185\u5b58\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5\uff0c\u786e\u4fdd\u5728\u4e0d\u518d\u9700\u8981\u65f6\u91ca\u653e\u5185\u5b58\u3002<\/p>\n

5. \u95ee\u7b54\u73af\u8282<\/p>\n<\/p>\n

\u95ee\uff1a\u5b57\u7b26\u4e32\u62fc\u63a5\u65f6\uff0c\u4e3a\u4ec0\u4e48\u9700\u8981\u786e\u4fdd\u76ee\u6807\u5b57\u7b26\u4e32\u6709\u8db3\u591f\u7684\u7a7a\u95f4\uff1f<\/b><\/p>\n

\u7b54\uff1a\u56e0\u4e3a\u5982\u679c\u76ee\u6807\u5b57\u7b26\u4e32\u7a7a\u95f4\u4e0d\u8db3\uff0c\u62fc\u63a5\u540e\u7684\u5b57\u7b26\u4e32\u53ef\u80fd\u4f1a\u8d85\u51fa\u5206\u914d\u7684\u5185\u5b58\u8303\u56f4\uff0c\u5bfc\u81f4\u7f13\u51b2\u533a\u6ea2\u51fa\uff0c\u8fd9\u53ef\u80fd\u4f1a\u8986\u76d6\u5185\u5b58\u4e2d\u7684\u5176\u4ed6\u6570\u636e\uff0c\u5f15\u53d1\u7a0b\u5e8f\u5d29\u6e83\u6216\u5b89\u5168\u6f0f\u6d1e\u3002<\/p>\n

\u95ee\uff1a\u5728\u624b\u52a8\u62fc\u63a5\u5b57\u7b26\u4e32\u65f6\uff0c\u5982\u4f55\u786e\u4fdd\u65b0\u5b57\u7b26\u4e32\u4ee5\u7a7a\u5b57\u7b26\u7ed3\u5c3e\uff1f<\/b><\/p>\n

\u7b54\uff1a\u5728\u624b\u52a8\u62fc\u63a5\u5b57\u7b26\u4e32\u7684\u672b\u5c3e\u6dfb\u52a0\u4e00\u4e2a\u7a7a\u5b57\u7b26`’\\0’`\uff0c\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u65b0\u5b57\u7b26\u4e32\u662f\u4e00\u4e2a\u5408\u6cd5\u7684C\u5b57\u7b26\u4e32\u3002<\/p>\n

\u95ee\uff1a\u4f7f\u7528\u6807\u51c6\u5e93\u51fd\u6570\u62fc\u63a5\u5b57\u7b26\u4e32\u4e0e\u624b\u52a8\u62fc\u63a5\u5b57\u7b26\u4e32\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/b><\/p>\n

\u7b54\uff1a\u4f7f\u7528\u6807\u51c6\u5e93\u51fd\u6570\u62fc\u63a5\u5b57\u7b26\u4e32\u53ef\u4ee5\u8282\u7701\u7a0b\u5e8f\u5458\u7684\u65f6\u95f4\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u51fd\u6570\u5df2\u7ecf\u7ecf\u8fc7\u4f18\u5316\uff0c\u5e76\u4e14\u66f4\u52a0\u5065\u58ee\u3002\u800c\u624b\u52a8\u62fc\u63a5\u5b57\u7b26\u4e32\u9700\u8981\u66f4\u591a\u7684\u4ee3\u7801\u548c\u903b\u8f91\uff0c\u4f46\u53ef\u4ee5\u63d0\u4f9b\u66f4\u591a\u7684\u63a7\u5236\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u590d\u6742\u7684\u5b57\u7b26\u4e32\u64cd\u4f5c\u65f6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u6587\u7ae0\u6807\u9898\uff1aC \u5b57\u7b26\u4e32\u62fc\u63a5\u6307\u5357 1. \u5f15\u8a00 \u5728C\u8bed\u8a00\u7f16\u7a0b\u4e2d\uff0c\u5b57\u7b26\u4e32\u64cd\u4f5c\u662f\u975e\u5e38\u57fa\u7840\u4e14\u91cd\u8981\u7684\u90e8\u5206\u3002\u5b57\u7b26\u4e32\u62fc\u63a5\u662f\u6307\u5c06\u4e24\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26\u4e32\u8fde\u63a5\u5728\u4e00\u8d77\u5f62\u6210\u4e00\u4e2a\u65b0\u5b57\u7b26\u4e32\u7684\u8fc7\u7a0b\u3002C\u8bed\u8a00\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5\uff0c\u5305\u62ec\u4f7f\u7528\u6807\u51c6\u5e93\u51fd\u6570\u548c\u624b\u52a8\u64cd\u4f5c\u5b57\u7b26\u6570\u7ec4\u3002\u672c\u6587\u5c06…<\/p>\n","protected":false},"author":1,"featured_media":1485,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[557,340,556],"topic":[],"class_list":["post-1484","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-haiwai","tag-strcat","tag-340","tag-556"],"_links":{"self":[{"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/posts\/1484","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/comments?post=1484"}],"version-history":[{"count":1,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/posts\/1484\/revisions"}],"predecessor-version":[{"id":1487,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/posts\/1484\/revisions\/1487"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/media\/1485"}],"wp:attachment":[{"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/media?parent=1484"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/categories?post=1484"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/tags?post=1484"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/www.hgfwq.com\/blog\/wp-json\/wp\/v2\/topic?post=1484"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}