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\n

C\u8bed\u8a00<\/a>\u4e2d\u7684\u53ef\u53d8\u53c2\u6570\u5217\u8868\uff1a<\/strong>\u4ece\u8bed\u8a00\u4e2d\u6709\u65f6\u5019\u4f1a\u9047\u5230\u4e00\u4e9b\u53c2\u6570\u4e2a\u6570\u662f\u53ef\u53d8\u7684\u51fd\u6570\uff0c\u50cfscanf\uff0cprintf\u7b49\uff0c\u8fd9\u4e9b\u51fd\u6570\u5185\u90e8\u7684\u53c2\u6570\u5217\u8868\u90fd\u662f\u53ef\u53d8\u7684\u3002<\/p> \n

\u5982\u51fd\u6570\u539f\u578b\uff1ascanf(const char * format,\u2026);
\u89e3\u91ca\uff1a\u9664\u4e86format\u4ee5\u5916\uff0c\u540e\u9762\u8ddf\u7740\u7684\u53c2\u6570 \u4e2a\u6570\uff0c\u7c7b\u578b\u662f\u53ef\u53d8\u7684\uff0c\u7528\u2026\u4f5c\u4e3a\u4e00\u79cd\u5360\u4f4d\u7b26\u53f7\u3002
\u201c\u2026\u201d\u79f0\u4e3a\u53ef\u53d8\u53c2\u6570\u5217\u8868\uff0c\u53ef\u4ee5\u7528\u6765\u63a5\u53d7\u4e2a\u6570\u548c\u7c7b\u578b\u4e0d\u786e\u5b9a\u7684\u53c2\u6570<\/p> \n

\u4f7f\u7528\uff1a
\u53ef\u53d8\u53c2\u6570\u5217\u8868\u5728
C\u8bed\u8a00<\/a>\u4e2d\u4f7f\u7528\u8fd9\u6837\u7684\u4e09\u4e2a\u5b8f(va_start,va_arg,va_end)\u548c\u4e00\u4e2a\u7c7b\u578b(va_list)\u6765\u8fdb\u884c\u5b9e\u73b0\u7684\uff0c\u4ed6\u4eec\u90fd\u662f\u5b9a\u4e49\u5728stdarg.h\u5934\u6587\u4ef6\u4e2d\u7684<\/p> \n

\u5b8f:
1:va_start\u539f\u578b\uff1a<\/strong>
void va_start(va_list ap,paramN);
\u53c2\u6570\uff1ava_list:\u5b58\u50a8\u53c2\u6570\u7684\u7c7b\u578b\u4fe1\u606f
ap:\u53ef\u53d8\u53c2\u6570\u5217\u8868\u5730\u5740
paramN\uff1a\u786e\u5b9a\u7684\u53c2\u6570
2:va_arg\u539f\u578b\uff1a<\/strong>
void va_arg(va_list ap,type);
\u8fd4\u56de\u4e0b\u4e00\u4e2a\u53c2\u6570\u7684\u503c
3:va_end\u539f\u578b\uff1a<\/strong>
void va_end(va_list ap,type);
\u5173\u95ed\u521d\u59cb\u5316\u7684\u5217\u8868<\/p> \n

\u4f7f\u7528\u65b9\u5f0f\uff1a<\/strong>
1. \u4f7f\u7528va_list\u521d\u59cb\u5316\u53ef\u53d8\u53c2\u6570\u5217\u8868
2. \u4f7f\u7528va_arg\u9010\u4e2a\u83b7\u53d6\u53c2\u6570\u503c
3. \u7528va_end\u5c06\u53ef\u53d8\u53c2\u6570\u5217\u8868\u6e05\u7a7a<\/p> \n

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

\r\n#include\n  \n   \r\n#include\n   \n     float average_list(int value_num,...); int main(int argc,char * argv[]){ printf(\"average_1:%.2f\\n\",average_list(8,1,3,5,7,9,12,15,17)); return 0; } float average_list(int value_num,...){ va_list list; float sum = 0.0f; va_start(list,value_num); int i ; for(i = 0;i\n    \n     

\u8f93\u51fa\u7684\u7ed3\u679c\u4e3a\uff1a average_1:8.62<\/p>\n <\/value_num;i++){>\n <\/stdarg.h>\n <\/stdio.h><\/pre> \n<\/dd>","orderid":"0","title":"C\u8bed\u8a00\u4e2d\u7684\u53ef\u53d8\u53c2\u6570\u5217\u8868","smalltitle":"","mid":"0","fname":"c\u8bed\u8a00\u7f16\u7a0b","special_id":"0","bak_id":"0","info":"0","hits":"266","pages":"1","comments":"0","posttime":"2017-01-05 08:14:50","list":"1483575290","username":"admin","author":"","copyfrom":"","copyfromurl":"","titlecolor":"","fonttype":"0","titleicon":"0","picurl":"http:\/\/www.cppentry.com\/upload_files\/","ispic":"0","yz":"1","yzer":"","yztime":"0","levels":"0","levelstime":"0","keywords":"\u8a00\u4e2d<\/A> \u53ef\u53d8<\/A> \u6570\u5217<\/A>","jumpurl":"","iframeurl":"","style":"","template":"a:3:{s:4:\"head\";s:0:\"\";s:4:\"foot\";s:0:\"\";s:8:\"bencandy\";s:0:\"\";}","target":"0","ip":"14.17.22.31","lastfid":"0","money":"0","buyuser":"","passwd":"","allowdown":"","allowview":"","editer":"","edittime":"0","begintime":"0","endtime":"0","description":"C\u8bed\u8a00\u4e2d\u7684\u53ef\u53d8\u53c2\u6570\u5217\u8868","lastview":"1500719796","digg_num":"0","digg_time":"0","forbidcomment":"0","ifvote":"0","heart":"","htmlname":"","city_id":"0"},"page":"1"}