锘??xml version="1.0" encoding="utf-8" standalone="yes"?>久久91精品久久91综合,国産精品久久久久久久,久久久噜噜噜久久中文字幕色伊伊http://www.shnenglu.com/kang/zh-cnWed, 07 May 2025 20:43:24 GMTWed, 07 May 2025 20:43:24 GMT60memmove銆乵emcpy鍜宮emccpy綆浠?/title><link>http://www.shnenglu.com/kang/archive/2009/04/05/78984.html</link><dc:creator>kang</dc:creator><author>kang</author><pubDate>Sat, 04 Apr 2009 16:43:00 GMT</pubDate><guid>http://www.shnenglu.com/kang/archive/2009/04/05/78984.html</guid><wfw:comment>http://www.shnenglu.com/kang/comments/78984.html</wfw:comment><comments>http://www.shnenglu.com/kang/archive/2009/04/05/78984.html#Feedback</comments><slash:comments>4</slash:comments><wfw:commentRss>http://www.shnenglu.com/kang/comments/commentRss/78984.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/kang/services/trackbacks/78984.html</trackback:ping><description><![CDATA[<p><span style="FONT-FAMILY: Comic Sans MS">memmove銆乵emcpy鍜宮emccpy涓変釜鍑芥暟閮芥槸鍐呭瓨鐨勬嫹璐濓紝浠庝竴涓紦鍐插尯鎷瘋礉鍒板彟涓涓紦鍐插尯銆?br>memmove(void *dest,void*src,int count)<br>memcpy(void *dest,void *src,int count)<br>memccpy(void*dest,void*src,int ch,int count)<br><br>琛ㄥご鏂囦歡: #include <string.h><br>瀹氫箟鍑芥暟: void *memcpy(void *dest, const void *src, size_t n)<br>鍑芥暟璇存槑: memcpy()鐢ㄦ潵鎷瘋礉src鎵鎸囩殑鍐呭瓨鍐呭鍓峮涓瓧鑺傚埌dest鎵鎸囩殑鍐呭瓨鍦板潃涓娿備笌strcpy()涓嶅悓鐨勬槸,memcpy()浼氬畬鏁寸殑澶嶅埗n涓瓧鑺?涓嶄細鍥犱負閬囧埌瀛楃涓茬粨鏉?\0'鑰岀粨鏉?br>榪斿洖鍊?   榪斿洖鎸囧悜dest鐨勬寚閽?br><br>琛ㄥご鏂囦歡: #include <string.h><br>瀹氫箟鍑芥暟: void *memccpy(void *dest, const void *src, int c, size_t n);<br>鍑芥暟璇存槑: memccpy()鐢ㄦ潵鎷瘋礉src鎵鎸囩殑鍐呭瓨鍐呭鍓峮涓瓧鑺傚埌dest鎵鎸囩殑鍦板潃涓娿備笌memcpy()涓嶅悓鐨勬槸,memccpy()濡傛灉鍦╯rc涓亣鍒版煇涓壒瀹氬?int c)绔嬪嵆鍋滄澶嶅埗銆?br>榪斿洖鍊?   榪斿洖鎸囧悜dest涓間負c鐨勪笅涓涓瓧鑺傛寚閽堛傝繑鍥炲間負0琛ㄧず鍦╯rc鎵鎸囧唴瀛樺墠n涓瓧鑺備腑娌℃湁鍊間負c鐨勫瓧鑺傘?br></span><br><font face="Comic Sans MS">琛ㄥご鏂囦歡: #include <string.h><br>瀹氫箟鍑芥暟: void *memmove(void *dest, const void *src, size_t n);<br>鍑芥暟璇存槑:memmove()鏄粠涓涓紦鍐插尯縐誨姩鍒板彟涓涓紦鍐插尯涓?nbsp;<br>榪斿洖鍊?   榪斿洖鎸囧悜dest鎸囬拡銆?br><br>褰揹est <= src-count 鎴杁est >= src+count鏃訛紝浠ヤ笂涓変釜鍑芥暟鍧囦笉浼氫駭鐢熻鐩栭棶棰橈紝鍗蟲簮鏁版嵁涓嶄細琚洿鏀廣?br></font>鑻ヤ笉鍦ㄤ互涓婅寖鍥村唴錛屽垯婧愭暟鎹細琚洿鏀廣?br><br>濡?<br>char a[]={'a','b'};<br>char b[]={'c','d','e','f','g','h'};<br>memmove(a,b,sizeof(b));<br>鎴栨槸鐩存帴char *p=b+2;memmove(p,b,sizeof(b));<br>杈撳嚭鏁版嵁浼氬彂鐜癰涓暟鎹緭鍑哄凡琚洿鏀廣?br>鍙戠幇鍗充嬌a鏁扮粍鎸囧悜鐨勭┖闂翠笉澶熷瓨鍌ㄦ暟鎹紝涔熻兘澶熺Щ鍔ㄦ垚鍔熴?br>鍘熷洜|dest - src |<count<br><br>濡傛灉鍦ㄤ嬌鐢ㄨ繖浜涘嚱鏁版椂錛屽垎閰嶇粰瓚沖鐨勭┖闂達紝鐒跺悗鍐嶄嬌鐢ㄥ氨涓嶄細鍑虹幇瑕嗙洊闂銆備篃灝辨槸璇村鏋滃閮ㄥ垎閰嶇粰鐨勭┖闂翠笉瓚充互瀛樺偍瑕佹嫹璐濈殑鏁版嵁鏃訛紝灝辨湁鍙兘鍑虹幇婧愭暟鎹瑕嗙洊鏇存敼鐨勯棶棰樸?br><br>#include <stdio.h><br>#include <stdlib.h><br>#include <string.h><br><br>void main(void)<br>{<br> int i=0; <br>    char a[9]={'a','b','c','d','e','f','g','h','\0'};<br> char p[2]={'q','w'};//鎴朿har *p=a+2;<br> memmove(p,a,sizeof(a));<br>    puts(a);<br> printf("_____________________________________________\n");<br> puts(p);<br> printf("_____________________________________________\n");<br>  for(i =0;i<10;i++)<br>   printf("%c %d \n",*(a+i),a+i);<br> printf("_____________________________________________\n");<br> for(i =0;i<8;i++)<br>   printf("%c %d \n",*(p+i),p+i); <br>}<br>瑙傚療杈撳嚭緇撴灉銆?br>鎶妋emmove(p,a,sizeof(a));鏀逛負memcpy(p,a,sizeof(a));鎴杕emccpy(p,a,'e',sizeof(a));鍐嶈瀵熻緭鍑虹粨鏋溿?br>鍙互鐪嬪嚭鍦ㄧ洰鐨勫瓨鍌ㄧ┖闂翠笉瓚蟲椂錛屼究浼氬嚭鐜版簮鏁版嵁琚鐩栨敼鍙樼殑闂銆?br>濡傛灉鐩殑瀛樺偍絀洪棿鍒嗛厤瓚沖鐨勭┖闂達紝鍒欎究涓嶄細鍑虹幇瑕嗙洊闂銆?br><br><br><br><br></p> <img src ="http://www.shnenglu.com/kang/aggbug/78984.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/kang/" target="_blank">kang</a> 2009-04-05 00:43 <a href="http://www.shnenglu.com/kang/archive/2009/04/05/78984.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>C++涓噸杞姐佽鐩栧拰闅愯棌鐨勫尯鍒?/title><link>http://www.shnenglu.com/kang/archive/2009/03/21/77409.html</link><dc:creator>kang</dc:creator><author>kang</author><pubDate>Sat, 21 Mar 2009 07:43:00 GMT</pubDate><guid>http://www.shnenglu.com/kang/archive/2009/03/21/77409.html</guid><wfw:comment>http://www.shnenglu.com/kang/comments/77409.html</wfw:comment><comments>http://www.shnenglu.com/kang/archive/2009/03/21/77409.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/kang/comments/commentRss/77409.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/kang/services/trackbacks/77409.html</trackback:ping><description><![CDATA[<p>1銆侀噸杞芥槸鎸囧湪鍚屼竴涓被涓嚱鏁板悕鐩稿悓錛屼絾鍙傛暟綾誨瀷鎴栧弬鏁頒釜鏁頒笉鍚屻傚浜庡彧鏈夎繑鍥炲肩被鍨嬩笉鍚岋紝澶ч儴鍒嗙紪璇戝櫒涓嶆敮鎸併傚悓鏃訛紝閲嶈澆鍑芥暟涓垏璁伴粯璁ゅ弬鏁扮殑浣跨敤錛屽錛歩nt input();涓巌nt input(int 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