{"id":2520,"date":"2016-01-14T00:56:49","date_gmt":"2016-01-13T16:56:49","guid":{"rendered":"http:\/\/www.menglanglang.cn\/?p=2520"},"modified":"2016-01-14T00:56:49","modified_gmt":"2016-01-13T16:56:49","slug":"c%e4%b8%ad%e7%9a%84%e6%96%87%e4%bb%b6%e6%93%8d%e4%bd%9c%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"http:\/\/www.menglanglang.cn\/?p=2520","title":{"rendered":"C\u4e2d\u7684\u6587\u4ef6\u64cd\u4f5c\u51fd\u6570"},"content":{"rendered":"

main.c<\/strong><\/span><\/p>\n

\n
<\/div>\n
    \n
  1. #include\u00a0<stdio.h><\/span><\/li>\n
  2. #include\u00a0<stdlib.h><\/span><\/li>\n
  3. <\/li>\n
  4. #include\u00a0\"constant.h\"<\/span><\/li>\n
  5. <\/li>\n
  6. \/*\u00a0fputc()\u548cfgetc()\uff0c\u7528\u6765\u8bfb\u5199\u4e00\u4e2a\u5b57\u7b26\uff0c\u8bfb\u5199\u5bf9\u8c61\u4e3a\u6587\u4ef6\uff0c\u540cputc()\u548cgetc()\u3002putchar()\u548cgetchar()\u8bfb\u5199\u4e00\u4e2a\u5b57\u7b26\uff0c\u8bfb\u5199\u5bf9\u8c61\u95ee\u7ec8\u7aef\u3002\u00a0<\/span><\/li>\n
  7. \u00a0*\u00a0fread()\u548cfwrite()\uff0c\u7528\u6765\u8bfb\u5199\u4e00\u4e2a\u6570\u636e\u5757\uff0c\u8bfb\u5199\u5bf9\u8c61\u4e3a\u6587\u4ef6\u3002\u00a0<\/span><\/li>\n
  8. \u00a0*\u00a0fprintf()\u548cfscanf()\u8bfb\u5199\u5bf9\u8c61\u662f\u78c1\u76d8\u6587\u4ef6\uff0c\u800cprintf()\u548cscanf()\u8bfb\u5199\u5bf9\u8c61\u662f\u7ec8\u7aef\u3002\u5728\u5185\u5b58\u4e0e\u78c1\u76d8\u9891\u7e41\u4ea4\u6362\u6570\u636e\u65f6\uff0c\u6700\u597d\u522b\u7528\uff0c\u800c\u7528fread\u3001fwrite\u4ee3\u66ff\u3002\u00a0<\/span><\/li>\n
  9. \u00a0*\u00a0fgets()\u548cfputs()\uff0c\u7528\u6765\u8bfb\u5199\u5b57\u7b26\u4e32\uff0c\u8bfb\u5199\u5bf9\u8c61\u4e3a\u6587\u4ef6\u3002<\/span><\/li>\n
  10. \u00a0*\u00a0rewind()\u4f7f\u5f97\u4f4d\u7f6e\u6307\u9488\u91cd\u65b0\u8fd4\u56de\u6587\u4ef6\u5f00\u5934\u3002<\/span><\/li>\n
  11. \u00a0*\u00a0fseek()\u53ef\u4ee5\u6307\u5b9a\u4f4d\u7f6e\u8bfb\u5199\uff0c\u5373\u5b9e\u73b0\u968f\u673a\u8bfb\u5199\u3002<\/span><\/li>\n
  12. \u00a0*\u00a0ftell()\u5f97\u5230\u6d41\u5f0f\u6587\u4ef6\u4e2d\u6307\u9488\u7684\u5f53\u524d\u4f4d\u7f6e\u3002<\/span><\/li>\n
  13. \u00a0*\u00a0feof()\uff0c\u82e5\u5230\u6587\u4ef6\u672b\u5c3e\uff0c\u51fd\u6570\u503c\u4e3a\u771f\uff08\u975e0\uff09\u3002<\/span><\/li>\n
  14. \u00a0*\u00a0ferror()\uff0c\u82e5\u5bf9\u6587\u4ef6\u64cd\u4f5c\u51fa\u9519\uff0c\u51fd\u6570\u503c\u4e3a\u771f\uff08\u975e0\uff09\u3002<\/span><\/li>\n
  15. \u00a0*\u00a0clearerr()\uff0c\u4f7f\u5f97feof()\u548cferror()\u7684\u503c\u4e3a0\u3002\u00a0<\/span><\/li>\n
  16. \u00a0*\/<\/span><\/li>\n
  17. <\/li>\n
  18. int<\/span>\u00a0main(int<\/span>\u00a0argc,\u00a0char<\/span>\u00a0*argv[])\u00a0{<\/li>\n
  19. \u00a0\u00a0\u00a0\u00a0FILE<\/span>\u00a0*fp;\/\/\u6587\u4ef6\u6307\u9488\u00a0<\/span><\/li>\n
  20. \u00a0\u00a0\u00a0\u00a0char<\/span>\u00a0patha[50]\u00a0=\u00a0\"F:\/c\/demo\/file\/\"<\/span>;\/\/\u8def\u5f84\u56fa\u5b9a\u90e8\u5206\u00a0<\/span><\/li>\n
  21. \u00a0\u00a0\u00a0\u00a0\/\/printf(\"%s\",strcat(path,\"a.txt\"));\/\/\u5b57\u7b26\u4e32\u94fe\u63a5\u51fd\u6570\u6d4b\u8bd5\uff0c\u5fc5\u987b\u4f7f\u5f97\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32\u7684\u957f\u5ea6\u8db3\u591f\u5927\uff0c\u5426\u5219\u6709\u53ef\u80fd\u62a5\u9519\u3002<\/span><\/li>\n
  22. \u00a0\u00a0\u00a0\u00a0\/\/printf(\"%s\",F(\"a.txt\"));\/\/\u7528\u5b8f\u5b9a\u4e49\u8868\u793a\u6587\u4ef6\u8def\u5f84\u00a0<\/span><\/li>\n
  23. <\/li>\n
  24. \u00a0\u00a0\u00a0\u00a0\/\/\u4e0b\u9762\u4e24\u79cd\u8868\u793a\u6587\u4ef6\u8def\u5f84\u7684\u65b9\u5f0f\u5728Windows\u7cfb\u7edf\u4e2d\u90fd\u53ef\u4ee5\uff0c\u4e0d\u8fc7\u6700\u597d\u8fd8\u662f\u7528\/\u6765\u8868\u793a\u8def\u5f84\u3002\u00a0<\/span><\/li>\n
  25. \u00a0\u00a0\u00a0\u00a0\/\/\u539f\u56e0\u5c31\u662fLinux\u7cfb\u7edf\u4e2d\u8def\u5f84\u8868\u793a\u4e3a\/\uff0c\u90fd\u7528\/\uff0c\u4ee3\u7801\u7684\u79fb\u690d\u6027\u66f4\u597d\u3002\u00a0<\/span><\/li>\n
  26. \u00a0\u00a0\u00a0\u00a0\/\/fp\u00a0=\u00a0fopen(\"F:\\\\c\\\\demo\\\\file\\\\a.txt\",\u00a0\"r\");<\/span><\/li>\n
  27. \u00a0\u00a0\u00a0\u00a0\/\/fp\u00a0=\u00a0fopen(\"F:\/c\/demo\/file\/a.txt\",\u00a0\"r\");<\/span><\/li>\n
  28. <\/li>\n
  29. \u00a0\u00a0\u00a0\u00a0\/\/\u00a0\u6587\u4ef6\u7684\u6253\u5f00\u548c\u5173\u95ed<\/span><\/li>\n
  30. \u00a0\u00a0\u00a0\u00a0char<\/span>\u00a0file_a[]\u00a0=\u00a0\"a.txt\"<\/span>;<\/li>\n
  31. \u00a0\u00a0\u00a0\u00a0if<\/span>\u00a0((fp\u00a0=\u00a0fopen(strcat(patha,\u00a0file_a),\u00a0\"r\"<\/span>))\u00a0==\u00a0NULL)\u00a0{<\/li>\n
  32. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"cannot\u00a0open\u00a0%s\u00a0file.\\n\"<\/span>,\u00a0file_a);<\/li>\n
  33. \u00a0\u00a0\u00a0\u00a0}\u00a0else<\/span>\u00a0{<\/li>\n
  34. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"already\u00a0open\u00a0%s\u00a0file.\\n\"<\/span>,\u00a0file_a);<\/li>\n
  35. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"the\u00a0content\u00a0of\u00a0file\u00a0%s\u00a0is\u00a0:\\n\"<\/span>,\u00a0file_a);<\/li>\n
  36. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/feof()\u4e3a\u5224\u65ad\u6587\u4ef6\u662f\u5426\u771f\u7684\u7ed3\u675f\uff0c\u65e2\u53ef\u4ee5\u5224\u65ad\u6587\u672c\u6587\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u5224\u65ad\u4e8c\u8fdb\u5236\u6587\u4ef6\u3002<\/span><\/li>\n
  37. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u5224\u65ad\u6587\u672c\u6587\u4ef6\uff0c\u4e5f\u53ef\u4ee5\u7528ch!=EOF\u6765\u5224\u65ad\uff0c\u4f46\u4e8c\u8fdb\u5236\u6587\u4ef6\u5219\u4e0d\u884c\u3002\u00a0<\/span><\/li>\n
  38. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0char<\/span>\u00a0ch;<\/li>\n
  39. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0while<\/span>\u00a0(!feof(fp))\u00a0{<\/li>\n
  40. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ch\u00a0=\u00a0fgetc(fp);<\/li>\n
  41. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0putchar(ch);<\/li>\n
  42. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n
  43. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"\\nnow\u00a0close\u00a0%s\u00a0file\u00a0...\\n\"<\/span>,\u00a0file_a);<\/li>\n
  44. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u987a\u5229\u7684\u6267\u884c\u4e86\u5173\u95ed\u64cd\u4f5c\uff0c\u5219\u8fd4\u56de\u503c\u4e3a0\uff0c\u5426\u5219\u8fd4\u56deEOF(-1)\u00a0<\/span><\/li>\n
  45. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if<\/span>\u00a0(fclose(fp)\u00a0==\u00a00)\u00a0{\/\/fclose(fp)\u00a0!=\u00a0EOF<\/span><\/li>\n
  46. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"close\u00a0file\u00a0%s\u00a0successfully.\\n\\n\"<\/span>,\u00a0file_a);<\/li>\n
  47. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0else<\/span>\u00a0{<\/li>\n
  48. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"close\u00a0file\u00a0%s\u00a0failed.\\n\\n\"<\/span>,\u00a0file_a);<\/li>\n
  49. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n
  50. \u00a0\u00a0\u00a0\u00a0}<\/li>\n
  51. <\/li>\n
  52. \u00a0\u00a0\u00a0\u00a0\/\/\u00a0\u6587\u4ef6\u7684\u8bfb\u5199<\/span><\/li>\n
  53. \u00a0\u00a0\u00a0\u00a0char<\/span>\u00a0file_b[]\u00a0=\u00a0\"b.txt\"<\/span>;<\/li>\n
  54. \u00a0\u00a0\u00a0\u00a0int<\/span>\u00a0i;<\/li>\n
  55. \u00a0\u00a0\u00a0\u00a0char<\/span>\u00a0t;<\/li>\n
  56. \u00a0\u00a0\u00a0\u00a0\/\/\u00a0C\u8bed\u8a00\u4e2d\u6ca1\u6709\u4e13\u95e8\u7684\u5b57\u7b26\u4e32\u53d8\u91cf\uff0c\u4e0b\u9762\u4e09\u79cd\u5b9a\u4e49\u5b57\u7b26\u6570\u7ec4\u7684\u65b9\u5f0f\u90fd\u53ef\u4ee5\u4fdd\u5b58\u5b57\u7b26\u4e32\u3002\u00a0<\/span><\/li>\n
  57. \u00a0\u00a0\u00a0\u00a0\/\/char\u00a0tc[]\u00a0=\u00a0{'w','w','w','.','m','e','n','g','l','a','n','g','l','a','n','g','.','c','o','m'};\/\/\u957f\u5ea620\u00a0<\/span><\/li>\n
  58. \u00a0\u00a0\u00a0\u00a0char<\/span>\u00a0tc[]\u00a0=\u00a0{\"www.menglanglang.cn\"<\/span>};\/\/\u957f\u5ea621<\/span><\/li>\n
  59. \u00a0\u00a0\u00a0\u00a0\/\/char\u00a0tc[]\u00a0=\u00a0\"www.menglanglang.cn\";\/\/\u957f\u5ea621<\/span><\/li>\n
  60. <\/li>\n
  61. \u00a0\u00a0\u00a0\u00a0\/\/\u4ee5\u8ffd\u52a0\u7684\u65b9\u5f0f\u6253\u5f00\u6587\u4ef6\u3002\u4e0d\u8fc7\u4e66\u4e0a\u8bf4\u5fc5\u987b\u5b58\u5728\u8be5\u6587\u4ef6\u624d\u80fd\u6253\u5f00\uff0c\u4f46\u8fd9\u91cc\u505a\u5b9e\u9a8c\uff0c\u4e0d\u5b58\u5728\u4e5f\u53ef\u4ee5\u521b\u5efa\u7684\u3002<\/span><\/li>\n
  62. \u00a0\u00a0\u00a0\u00a0\/\/\u800cr\u65b9\u5f0f\u6587\u4ef6\u5fc5\u987b\u5b58\u5728\u624d\u80fd\u6253\u5f00\uff0cw\u65b9\u5f0f\u4f1a\u5148\u521b\u5efa\uff0c\u5947\u602a\u7684\u5c31\u662fa\u65b9\u5f0f\uff0c\u4e5f\u8bb8\u662f\u7f16\u8bd1\u5668\u4e0d\u4e00\u6837\u5427\u3002\u00a0<\/span><\/li>\n
  63. \u00a0\u00a0\u00a0\u00a0if<\/span>\u00a0((fp\u00a0=\u00a0fopen(F(\"b.txt\"<\/span>),\u00a0\"a\"<\/span>))\u00a0==\u00a0NULL)\u00a0{<\/li>\n
  64. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"cannot\u00a0open\u00a0%s\u00a0file.\\n\"<\/span>,\u00a0file_b);<\/li>\n
  65. \u00a0\u00a0\u00a0\u00a0}\u00a0else<\/span>\u00a0{<\/li>\n
  66. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"already\u00a0open\u00a0%s\u00a0file.\\n\"<\/span>,\u00a0file_b);<\/li>\n
  67. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/printf(\"============%d\",strlen(tc));\/\/\u4e09\u79cd\u5b9a\u4e49\u65b9\u5f0f\u7684\u957f\u5ea6\u90fd\u4e3a20\uff0c\u770b\u6765strlen()\u628a\u672b\u5c3e\u7684'\\0'\u7a7a\u64cd\u4f5c\u5b57\u7b26\u5df2\u4e0d\u7b97\u5728\u957f\u5ea6\u5185\u4e86\u00a0<\/span><\/li>\n
  68. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0for<\/span>\u00a0(i\u00a0=\u00a00;\u00a0i\u00a0<\u00a0strlen(tc);\u00a0i++)\u00a0{<\/li>\n
  69. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if<\/span>\u00a0((t\u00a0=\u00a0fputc(tc[i],\u00a0fp))\u00a0!=\u00a0EOF)\u00a0{<\/li>\n
  70. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"Characters\u00a0%c\u00a0written\u00a0to\u00a0file\u00a0%s\u00a0successfully.\\n\"<\/span>,\u00a0t,\u00a0file_b);<\/li>\n
  71. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0else<\/span>\u00a0{<\/li>\n
  72. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"Characters\u00a0%c\u00a0written\u00a0to\u00a0file\u00a0%s\u00a0failed.\\n\"<\/span>,\u00a0t,\u00a0file_b);<\/li>\n
  73. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n
  74. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n
  75. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if<\/span>\u00a0(fclose(fp)\u00a0==\u00a00)\u00a0{\/\/fclose(fp)\u00a0!=\u00a0EOF<\/span><\/li>\n
  76. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"close\u00a0file\u00a0%s\u00a0successfully.\\n\\n\"<\/span>,\u00a0file_b);<\/li>\n
  77. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0else<\/span>\u00a0{<\/li>\n
  78. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"close\u00a0file\u00a0%s\u00a0failed.\\n\\n\"<\/span>,\u00a0file_b);<\/li>\n
  79. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n
  80. \u00a0\u00a0\u00a0\u00a0}<\/li>\n
  81. <\/li>\n
  82. \/\/\u00a0\u00a0save();<\/span><\/li>\n
  83. \u00a0\u00a0\u00a0\u00a0copy();<\/li>\n
  84. \u00a0\u00a0\u00a0\u00a0return<\/span>\u00a00;<\/li>\n
  85. }<\/li>\n<\/ol>\n<\/div>\n

    constant.h<\/strong><\/span><\/p>\n

    \n
    <\/div>\n
      \n
    1. #define\u00a0PATH\u00a0\"F:\/c\/demo\/file\/\"<\/span><\/li>\n
    2. #define\u00a0F(fnm)\u00a0PATH\u00a0fnm<\/span><\/li>\n<\/ol>\n<\/div>\n

      save.c<\/strong><\/span><\/p>\n

      \n
      <\/div>\n
        \n
      1. #include\u00a0<stdio.h><\/span><\/li>\n
      2. #include\u00a0<stdlib.h><\/span><\/li>\n
      3. <\/li>\n
      4. \/**<\/span><\/li>\n
      5. \u00a0*\u00a0\u5728\u952e\u76d8\u4e0a\u8f93\u5165\u5b57\u7b26\uff0c\u5e76\u628a\u8fd9\u4e9b\u8f93\u5165\u4fdd\u5b58\u5230\u78c1\u76d8\u6307\u5b9a\u7684\u6587\u4ef6\u4e2d,\u8f93\u5165#\u8868\u793a\u7ed3\u675f\u00a0<\/span><\/li>\n
      6. \u00a0*\/<\/span><\/li>\n
      7. void<\/span>\u00a0save()\u00a0{<\/li>\n
      8. \u00a0\u00a0\u00a0\u00a0FILE<\/span>\u00a0*fp;<\/li>\n
      9. \u00a0\u00a0\u00a0\u00a0char<\/span>\u00a0ch;<\/li>\n
      10. \u00a0\u00a0\u00a0\u00a0char<\/span>\u00a0path[50]\u00a0=\u00a0\"F:\/c\/demo\/file\/\"<\/span>;<\/li>\n
      11. \u00a0\u00a0\u00a0\u00a0char<\/span>\u00a0filename[10];<\/li>\n
      12. \u00a0\u00a0\u00a0\u00a0printf(\"Please\u00a0input\u00a0file\u00a0name\u00a0:\u00a0\"<\/span>);<\/li>\n
      13. \u00a0\u00a0\u00a0\u00a0scanf(\"%s\"<\/span>,\u00a0filename);<\/li>\n
      14. \u00a0\u00a0\u00a0\u00a0if<\/span>\u00a0((fp\u00a0=\u00a0fopen(strcat(path,\u00a0filename),\u00a0\"w\"<\/span>))\u00a0==\u00a0NULL)\u00a0{<\/li>\n
      15. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"cannot\u00a0open\u00a0file.\\n\"<\/span>);<\/li>\n
      16. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0exit(0);<\/li>\n
      17. \u00a0\u00a0\u00a0\u00a0}<\/li>\n
      18. \u00a0\u00a0\u00a0\u00a0ch\u00a0=\u00a0getchar();<\/li>\n
      19. \u00a0\u00a0\u00a0\u00a0ch\u00a0=\u00a0getchar();<\/li>\n
      20. \u00a0\u00a0\u00a0\u00a0while<\/span>\u00a0(ch\u00a0!=\u00a0'#')\u00a0{<\/li>\n
      21. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0fputc(ch,\u00a0fp);<\/li>\n
      22. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0putchar(ch);<\/li>\n
      23. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0ch\u00a0=\u00a0getchar();<\/li>\n
      24. \u00a0\u00a0\u00a0\u00a0}<\/li>\n
      25. \u00a0\u00a0\u00a0\u00a0putchar(10);<\/li>\n
      26. \u00a0\u00a0\u00a0\u00a0fclose(fp);<\/li>\n
      27. }<\/li>\n<\/ol>\n<\/div>\n

        copy.c<\/strong><\/span><\/p>\n

        \n
        <\/div>\n
          \n
        1. #include\u00a0<stdio.h><\/span><\/li>\n
        2. #include\u00a0<stdlib.h><\/span><\/li>\n
        3. <\/li>\n
        4. \/**<\/span><\/li>\n
        5. \u00a0*\u00a0\u6587\u4ef6\u7684\u590d\u5236\u00a0<\/span><\/li>\n
        6. \u00a0*\/<\/span><\/li>\n
        7. void<\/span>\u00a0copy()\u00a0{<\/li>\n
        8. \u00a0\u00a0\u00a0\u00a0FILE<\/span>\u00a0*in,\u00a0*out;<\/li>\n
        9. \u00a0\u00a0\u00a0\u00a0char<\/span>\u00a0ch,\u00a0infilename[10],\u00a0outfilename[10];<\/li>\n
        10. \u00a0\u00a0\u00a0\u00a0char<\/span>\u00a0path1[50]\u00a0=\u00a0\"F:\/c\/demo\/file\/\"<\/span>;<\/li>\n
        11. \u00a0\u00a0\u00a0\u00a0char<\/span>\u00a0path2[50]\u00a0=\u00a0\"F:\/c\/demo\/file\/\"<\/span>;<\/li>\n
        12. \u00a0\u00a0\u00a0\u00a0printf(\"Enter\u00a0the\u00a0infile\u00a0name\u00a0:\u00a0\"<\/span>);<\/li>\n
        13. \u00a0\u00a0\u00a0\u00a0scanf(\"%s\"<\/span>,\u00a0infilename);<\/li>\n
        14. \u00a0\u00a0\u00a0\u00a0printf(\"Enter\u00a0the\u00a0outfile\u00a0name\u00a0:\u00a0\"<\/span>);<\/li>\n
        15. \u00a0\u00a0\u00a0\u00a0scanf(\"%s\"<\/span>,\u00a0outfilename);<\/li>\n
        16. <\/li>\n
        17. \u00a0\u00a0\u00a0\u00a0if<\/span>\u00a0((in\u00a0=\u00a0fopen(strcat(path1,\u00a0infilename),\u00a0\"r\"<\/span>))\u00a0==\u00a0NULL)\u00a0{<\/li>\n
        18. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"cannot\u00a0open\u00a0infile\u00a0%s\"<\/span>,\u00a0infilename);<\/li>\n
        19. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0exit(0);<\/li>\n
        20. \u00a0\u00a0\u00a0\u00a0}<\/li>\n
        21. \u00a0\u00a0\u00a0\u00a0if<\/span>\u00a0((out\u00a0=\u00a0fopen(strcat(path2,\u00a0outfilename),\u00a0\"w\"<\/span>))\u00a0==\u00a0NULL)\u00a0{<\/li>\n
        22. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0printf(\"cannot\u00a0open\u00a0outfile\u00a0%s\"<\/span>,\u00a0outfilename);<\/li>\n
        23. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0exit(0);<\/li>\n
        24. \u00a0\u00a0\u00a0\u00a0}<\/li>\n
        25. <\/li>\n
        26. \u00a0\u00a0\u00a0\u00a0while<\/span>\u00a0(!feof(in))\u00a0{<\/li>\n
        27. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0fputc(fgetc(in),\u00a0out);<\/li>\n
        28. \u00a0\u00a0\u00a0\u00a0}<\/li>\n
        29. \u00a0\u00a0\u00a0\u00a0fclose(in);<\/li>\n
        30. \u00a0\u00a0\u00a0\u00a0fclose(out);<\/li>\n
        31. }<\/li>\n<\/ol>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

          main.c #include\u00a0<stdio.h> #include\u00a0<stdlib.h&g […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[264],"tags":[603,89,110],"class_list":["post-2520","post","type-post","status-publish","format-standard","hentry","category-c","tag-c","tag-89","tag-110"],"_links":{"self":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/2520","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2520"}],"version-history":[{"count":0,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=\/wp\/v2\/posts\/2520\/revisions"}],"wp:attachment":[{"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2520"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2520"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.menglanglang.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}