{"id":2616,"date":"2020-06-04T20:21:00","date_gmt":"2020-06-04T12:21:00","guid":{"rendered":"http:\/\/www.51cos.com\/?p=2616"},"modified":"2020-06-04T20:25:26","modified_gmt":"2020-06-04T12:25:26","slug":"c%e8%af%ad%e8%a8%80%e6%8c%87%e9%92%88%e4%bd%9c%e4%b8%ba%e5%87%bd%e6%95%b0%e5%8f%82%e6%95%b0%e7%9a%84%e7%90%86%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/www.51cos.com\/?p=2616","title":{"rendered":"C\u8bed\u8a00\u6307\u9488\u4f5c\u4e3a\u51fd\u6570\u53c2\u6570\u7684\u7406\u89e3"},"content":{"rendered":"

\n #include <stdio.h><\/p>\n

test1(char *p)
\n{
\n\tprintf(“1—%s \\n”,p);\/\/\u8fd9\u91cc\u7684p\u662f\u91cd\u65b0\u5b9a\u4e49\u7684\u53d8\u91cf\uff0c\u6307\u5411\u540c\u4e00\u5757\u5185\u5b58\uff0c\u6240\u4ee5\u4e5f\u662f\u8f93\u51fa0123456789
\n printf(“1—0x%c \\n”,*p);\/\/\u8f93\u51fa*(p+0)\u5bf9\u5e94\u7684\u5b57\u7b26\uff0c\u4e5f\u5c31\u662f\u5b57\u7b260
\n printf(“1—0x%x \\n”,&p);\/\/\u8f93\u51fa\u6307\u9488P\u7684\u81ea\u8eab\u5730\u5740\uff0c\u6ce8\u610f\u4e0e\u4e3b\u51fd\u6570p\u7684\u5730\u5740\u4e0d\u540c
\n}<\/p>\n

\/\/p\u6307\u5411\u4e00\u4e2a\u5730\u5740\uff0c\u522b\u7684\u4e00\u6982\u4e0d\u77e5
\ntest2(char *p)
\n{
\n\tprintf(“2—%s \\n”,p);\/\/\u8fd9\u91cc\u7684p\u662f\u91cd\u65b0\u5b9a\u4e49\u7684\u6307\u9488\u53d8\u91cf\uff0c\u6307\u5411\u4e3b\u51fd\u6570\u4e2dp\u7684\u5730\u5740\uff0c\u8f93\u51fa\u5185\u5bb9\u4e0d\u786e\u5b9a
\n printf(“2—%c \\n”,*p);\/\/\u8f93\u51fa*(p+0)\u5bf9\u5e94\u7684\u5b57\u7b26\uff0c\u8f93\u51fa\u5185\u5bb9\u4e0d\u786e\u5b9a
\n printf(“2—0x%x \\n”,&p);\/\/\u8f93\u51fa\u6307\u9488P\u7684\u81ea\u8eab\u5730\u5740\uff0c\u6ce8\u610f\u4e0e\u4e3b\u51fd\u6570p\u7684\u5730\u5740\u4e0d\u540c
\n}<\/p>\n

\/\/p\u6307\u5411\u4e00\u4e2a\u5730\u5740\uff0c\u8fd8\u77e5\u9053\u6307\u5411\u7684\u5730\u5740\u4e5f\u662f\u4e00\u4e2a\u6307\u9488
\ntest3(char **p)
\n{
\n\tprintf(“3—%s \\n”,*p);\/\/\u8fd9\u91cc\u7684p\u662f\u91cd\u65b0\u5b9a\u4e49\u7684\u6307\u9488\u53d8\u91cf\uff0c\u6307\u5411\u4e3b\u51fd\u6570\u4e2dp\u7684\u5730\u5740\uff0c*p=\u4e3b\u51fd\u6570\u7684p\uff0c\u6240\u4ee5\u8f93\u51fa0123456789
\n printf(“3—%c \\n”,**p);\/\/*p=\u4e3b\u51fd\u6570\u7684p\uff0c**p=*(\u4e3b\u51fd\u6570\u7684p+0),\u4e5f\u5c31\u662f\u5b57\u7b260
\n printf(“3—0x%x \\n”,&(*p));\/\/*p=\u4e3b\u51fd\u6570\u7684p\uff0c\u8fd9\u91cc\u8f93\u51fa\u4e3b\u51fd\u6570p\u7684\u5730\u5740
\n}<\/p>\n

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

\tchar *p=”0123456789″;
\n\tprintf(“0—%s \\n”,p);\/\/p\u662f\u6307\u9488\uff0c\u8f93\u51fap\u6307\u5411\u7684\u5b57\u4e32\u5185\u5bb9
\n printf(“0—0x%c \\n”,*p);\/\/\u8f93\u51fa*(p+0)\u5bf9\u5e94\u7684\u5b57\u7b26\uff0c\u4e5f\u5c31\u662f\u5b57\u7b260
\n printf(“0—0x%x \\n”,&p);\/\/\u8f93\u51fa\u6307\u9488P\u7684\u81ea\u8eab\u5730\u5740<\/p>\n

\ttest1(p);\/\/\u628a\u6307\u9488p\u4f20\u9012\u5230\u51fd\u6570\u4e2d
\n test2(&p);\/\/\u628a\u6307\u9488p\u7684\u5730\u5740\u4f20\u9012\u5230\u51fd\u6570\u4e2d
\n\ttest3(&p);\/\/\u628a\u6307\u9488p\u7684\u5730\u5740\u4f20\u9012\u5230\u51fd\u6570\u4e2d<\/p>\n

return 0;
\n} <\/p>\n","protected":false},"excerpt":{"rendered":"

#include <stdio.h> test1(char *p) { printf(&#8220 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[8],"tags":[],"class_list":["post-2616","post","type-post","status-publish","format-standard","hentry","category-embedded"],"_links":{"self":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/2616","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2616"}],"version-history":[{"count":3,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/2616\/revisions"}],"predecessor-version":[{"id":2619,"href":"http:\/\/www.51cos.com\/index.php?rest_route=\/wp\/v2\/posts\/2616\/revisions\/2619"}],"wp:attachment":[{"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2616"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2616"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.51cos.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2616"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}