{"id":3434,"date":"2025-04-05T23:54:27","date_gmt":"2025-04-05T15:54:27","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=3434"},"modified":"2025-04-05T23:54:27","modified_gmt":"2025-04-05T15:54:27","slug":"c-%e8%af%ad%e8%a8%80%e5%a4%b4%e6%96%87%e4%bb%b6%ef%bc%88header-files%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/04\/05\/c-%e8%af%ad%e8%a8%80%e5%a4%b4%e6%96%87%e4%bb%b6%ef%bc%88header-files%ef%bc%89\/","title":{"rendered":"C \u8bed\u8a00\u5934\u6587\u4ef6\uff08Header Files\uff09"},"content":{"rendered":"\n<p>\u63a5\u4e0b\u6765<strong>\u5168\u9762\u3001\u7cfb\u7edf\u5730\u8bb2\u89e3 C \u8bed\u8a00\u5934\u6587\u4ef6\uff08Header Files\uff09<\/strong>\uff0c\u5305\u62ec\u5176\u4f5c\u7528\u3001\u5206\u7c7b\u3001\u4f7f\u7528\u65b9\u5f0f\u3001\u539f\u7406\u673a\u5236\u3001\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcd8 \u4e00\u3001\u4ec0\u4e48\u662f C \u8bed\u8a00\u5934\u6587\u4ef6\uff1f<\/h2>\n\n\n\n<p>C \u8bed\u8a00\u5934\u6587\u4ef6\uff08Header File\uff09\u662f\u4e00\u79cd\u4ee5 <code>.h<\/code> \u7ed3\u5c3e\u7684\u6587\u4ef6\uff0c\u5b83\u5305\u542b\u4e86\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u51fd\u6570\u58f0\u660e\uff08\u5982 <code>printf()<\/code>\uff09<\/li>\n\n\n\n<li>\u5b8f\u5b9a\u4e49\uff08\u5982 <code>#define PI 3.14<\/code>\uff09<\/li>\n\n\n\n<li>\u7c7b\u578b\u5b9a\u4e49\uff08\u5982 <code>typedef struct {...}<\/code>\uff09<\/li>\n\n\n\n<li>\u5185\u8054\u51fd\u6570\uff08C99 \u8d77\u652f\u6301\uff09<\/li>\n\n\n\n<li>\u5176\u4ed6\u5934\u6587\u4ef6\u7684\u5305\u542b<\/li>\n<\/ul>\n\n\n\n<p>\u2705 \u5b83\u7684\u4e3b\u8981\u4f5c\u7528\u662f\uff1a<strong>\u5728\u591a\u4e2a\u6e90\u6587\u4ef6\u4e2d\u5171\u4eab\u63a5\u53e3\u58f0\u660e\uff0c\u907f\u514d\u91cd\u590d\u4ee3\u7801\uff0c\u63d0\u9ad8\u4ee3\u7801\u6a21\u5757\u5316\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/strong><\/p>\n\n\n\n<p>\ud83d\udccc \u793a\u4f8b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ mymath.h\n#ifndef MYMATH_H\n#define MYMATH_H\n\nint add(int a, int b);\n#define PI 3.1415\n\n#endif<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcc2 \u4e8c\u3001C \u8bed\u8a00\u5934\u6587\u4ef6\u7684\u5206\u7c7b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u6807\u51c6\u5934\u6587\u4ef6\uff08Standard Headers\uff09<\/h3>\n\n\n\n<p>\u7531 C \u8bed\u8a00\u6807\u51c6\u5e93\u5b9a\u4e49\uff0c\u4f4d\u4e8e <code>&lt;...&gt;<\/code> \u4e2d\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5934\u6587\u4ef6<\/th><th>\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td><code>&lt;stdio.h&gt;<\/code><\/td><td>\u6807\u51c6\u8f93\u5165\u8f93\u51fa\u51fd\u6570\uff08\u5982 printf\u3001scanf\uff09<\/td><\/tr><tr><td><code>&lt;stdlib.h&gt;<\/code><\/td><td>\u5185\u5b58\u7ba1\u7406\u3001\u8fdb\u7a0b\u63a7\u5236\uff08\u5982 malloc, exit\uff09<\/td><\/tr><tr><td><code>&lt;string.h&gt;<\/code><\/td><td>\u5b57\u7b26\u4e32\u64cd\u4f5c\uff08\u5982 strcpy\u3001strlen\uff09<\/td><\/tr><tr><td><code>&lt;math.h&gt;<\/code><\/td><td>\u6570\u5b66\u51fd\u6570\uff08\u5982 sin\u3001pow\uff09<\/td><\/tr><tr><td><code>&lt;ctype.h&gt;<\/code><\/td><td>\u5b57\u7b26\u5904\u7406\u51fd\u6570\uff08\u5982 isdigit\uff09<\/td><\/tr><tr><td><code>&lt;time.h&gt;<\/code><\/td><td>\u65f6\u95f4\u51fd\u6570\uff08\u5982 time\u3001clock\uff09<\/td><\/tr><tr><td><code>&lt;stdbool.h&gt;<\/code><\/td><td>\u5e03\u5c14\u7c7b\u578b\u652f\u6301\uff08C99 \u5f15\u5165\uff09<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>\ud83d\udcd8 \u6807\u51c6\u5b9a\u4e49\u53c2\u8003\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/en.cppreference.com\/w\/c\/header\">C Standard Library \u2013 cppreference.com<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/www.open-std.org\/jtc1\/sc22\/wg14\/www\/docs\/n1256.pdf\">ISO C99 \u6807\u51c6\u6587\u6863<\/a><\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u81ea\u5b9a\u4e49\u5934\u6587\u4ef6\uff08User-defined Headers\uff09<\/h3>\n\n\n\n<p>\u7531\u5f00\u53d1\u8005\u81ea\u5df1\u5b9a\u4e49\uff0c\u7528\u4e8e\u6a21\u5757\u5316\u7a0b\u5e8f\u7ed3\u6784\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include \"myutils.h\"<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p><code>\"\"<\/code> \u8868\u793a\u4ece\u5f53\u524d\u76ee\u5f55\u4f18\u5148\u67e5\u627e\u5934\u6587\u4ef6\uff0c\u9002\u7528\u4e8e\u81ea\u5b9a\u4e49\u5934\u6587\u4ef6\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\u2699\ufe0f \u4e09\u3001\u5934\u6587\u4ef6\u7684\u5de5\u4f5c\u673a\u5236<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u9884\u5904\u7406\u5668\u7684\u5904\u7406\u6d41\u7a0b\uff08\u7f16\u8bd1\u524d\u9636\u6bb5\uff09<\/h3>\n\n\n\n<p>\u4f7f\u7528 <code>#include<\/code> \u6307\u4ee4\u5f15\u5165\u5934\u6587\u4ef6 \u2192 \u7f16\u8bd1\u5668\u5728\u9884\u5904\u7406\u9636\u6bb5\u5c06\u5934\u6587\u4ef6\u5185\u5bb9\u201c\u590d\u5236\u201d\u8fdb\u6e90\u6587\u4ef6\u4e2d\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;   \/\/ \u7528\u4e8e\u5f15\u5165\u6807\u51c6 I\/O \u51fd\u6570\u539f\u578b<\/code><\/pre>\n\n\n\n<p>\u67e5\u770b\u9884\u5904\u7406\u7ed3\u679c\uff08GCC \u793a\u4f8b\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>gcc -E main.c -o main.i<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u4f1a\u770b\u5230\u6240\u6709 <code>#include<\/code> \u7684\u5185\u5bb9\u5df2\u7ecf\u5c55\u5f00\u3002<\/p>\n<\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u9632\u6b62\u91cd\u590d\u5305\u542b\uff1aInclude Guard<\/h3>\n\n\n\n<p>\u5934\u6587\u4ef6\u5e94\u907f\u514d\u91cd\u590d\u5305\u542b\u9020\u6210\u591a\u91cd\u5b9a\u4e49\u9519\u8bef\u3002\u63a8\u8350\u4f7f\u7528\u201c\u5305\u542b\u4fdd\u62a4\u5b8f\u201d\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#ifndef MYHEADER_H\n#define MYHEADER_H\n\n\/\/ \u51fd\u6570\u58f0\u660e\u548c\u5b8f\u5b9a\u4e49\u7b49\n\n#endif<\/code><\/pre>\n\n\n\n<p>\u2705 C11 \u8d77\u4e5f\u53ef\u4ee5\u4f7f\u7528 <code>#pragma once<\/code>\uff08\u7f16\u8bd1\u5668\u7279\u6027\uff0c\u975e\u6807\u51c6\uff09\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>#pragma once<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83e\uddea \u56db\u3001\u793a\u4f8b\uff1a\u5934\u6587\u4ef6\u7684\u5b9a\u4e49\u4e0e\u4f7f\u7528<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 1. \u5b9a\u4e49\u5934\u6587\u4ef6\uff08mymath.h\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>#ifndef MYMATH_H\n#define MYMATH_H\n\nint add(int a, int b);\nint multiply(int a, int b);\n\n#endif<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 2. \u5b9a\u4e49\u6e90\u6587\u4ef6\uff08mymath.c\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>#include \"mymath.h\"\n\nint add(int a, int b) {\n    return a + b;\n}\n\nint multiply(int a, int b) {\n    return a * b;\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 3. \u4f7f\u7528\u5934\u6587\u4ef6\uff08main.c\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>#include &lt;stdio.h&gt;\n#include \"mymath.h\"\n\nint main() {\n    printf(\"%d\\n\", add(2, 3));\n    return 0;\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u2705 4. \u7f16\u8bd1\u65b9\u5f0f\uff08GCC\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>gcc main.c mymath.c -o main<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udca1 \u4e94\u3001\u5934\u6587\u4ef6\u7684\u6700\u4f73\u5b9e\u8df5<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u5efa\u8bae<\/th><th>\u8bf4\u660e<\/th><\/tr><\/thead><tbody><tr><td>\u2705 \u4f7f\u7528\u5305\u542b\u4fdd\u62a4\u5b8f<\/td><td>\u9632\u6b62\u91cd\u590d\u5305\u542b\u9020\u6210\u7f16\u8bd1\u9519\u8bef<\/td><\/tr><tr><td>\u2705 \u62c6\u5206\u63a5\u53e3\u4e0e\u5b9e\u73b0<\/td><td><code>.h<\/code> \u6587\u4ef6\u53ea\u653e\u58f0\u660e\uff0c<code>.c<\/code> \u6587\u4ef6\u653e\u5b9e\u73b0<\/td><\/tr><tr><td>\u2705 \u6a21\u5757\u5316\u8bbe\u8ba1<\/td><td>\u6bcf\u4e2a\u6a21\u5757\u5355\u72ec\u4e00\u4e2a\u5934\u6587\u4ef6\uff0c\u4fbf\u4e8e\u590d\u7528<\/td><\/tr><tr><td>\u2705 \u4f7f\u7528\u6587\u6863\u6ce8\u91ca<\/td><td>\u5bf9\u51fd\u6570\u539f\u578b\u52a0\u6ce8\u91ca\uff0c\u5229\u4e8e\u534f\u4f5c\u5f00\u53d1<\/td><\/tr><tr><td>\u2705 \u4e0d\u5728 <code>.h<\/code> \u6587\u4ef6\u4e2d\u5b9a\u4e49\u53d8\u91cf<\/td><td>\u4f7f\u7528 <code>extern<\/code> \u58f0\u660e\uff0c\u5168\u5c40\u53d8\u91cf\u5e94\u5b9a\u4e49\u5728 <code>.c<\/code> \u6587\u4ef6<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83d\udcda \u516d\u3001\u6743\u5a01\u53c2\u8003\u8d44\u6599<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6765\u6e90<\/th><th>\u94fe\u63a5<\/th><\/tr><\/thead><tbody><tr><td>ISO C \u6807\u51c6\uff08C99\uff09<\/td><td><a href=\"https:\/\/www.open-std.org\/jtc1\/sc22\/wg14\/www\/docs\/n1256.pdf\">N1256 \u2013 C99 \u5b98\u65b9\u6807\u51c6\u8349\u6848 PDF<\/a><\/td><\/tr><tr><td>C Library \u53c2\u8003<\/td><td><a href=\"https:\/\/en.cppreference.com\/w\/c\/header\">cppreference.com C \u6807\u51c6\u5934\u6587\u4ef6<\/a><\/td><\/tr><tr><td>GCC \u624b\u518c<\/td><td><a href=\"https:\/\/gcc.gnu.org\/onlinedocs\/cpp\/\">GCC Preprocessor Docs<\/a><\/td><\/tr><tr><td>C Primer Plus\uff08\u7b2c\u516d\u7248\uff09<\/td><td><a href=\"https:\/\/www.amazon.com\/Primer-Plus-6th-Developers-Library\/dp\/0321928423\">Amazon \u8d2d\u4e70\u94fe\u63a5<\/a><\/td><\/tr><tr><td>Linux Man Pages\uff08C \u51fd\u6570\u6587\u6863\uff09<\/td><td><a href=\"https:\/\/man7.org\/linux\/man-pages\/index.html\">man7.org \u2013 C \u51fd\u6570\u6587\u6863<\/a><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n","protected":false},"excerpt":{"rendered":"<p>\u63a5\u4e0b\u6765\u5168\u9762\u3001\u7cfb\u7edf\u5730\u8bb2\u89e3 C \u8bed\u8a00\u5934\u6587\u4ef6\uff08Header Files\uff09\uff0c\u5305\u62ec\u5176\u4f5c\u7528\u3001\u5206\u7c7b\u3001\u4f7f\u7528\u65b9\u5f0f\u3001\u539f\u7406\u673a\u5236\u3001\u6700\u4f73 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3435,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[82],"tags":[],"class_list":["post-3434","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-c"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=3434"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3434\/revisions"}],"predecessor-version":[{"id":3436,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/3434\/revisions\/3436"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/3435"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=3434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=3434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=3434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}