¹ØÓÚc·ç¸ñ×Ö·û´® - C/C++ / C++ ÓïÑÔ
¿´primerµÚ115Ò³£¬¿´µ½Ò»¸ö·¶Àý£º
C/C++ code:
const char *cp1="A string example";
const char *cp2="A different string";
char largeStr[16+18+2];
strncpy(largeStr,cp1,17);
strncat(largeStr," ",2);
strncat(largeStr,cp2,19);
cout<<largeStr<<endl;
²»Ì«Àí½â°¡£¬ *cp1ÀïÃæÊÇ16ºÍ×Ö·û£¬*cp2ÀïÃæÊÇ18¸ö×Ö·û£¬ÎªÁËÈÝϽáÊø·û£¬"strn"º¯ÊýµÚÈý¸ö²ÎÊý¶¼¼Ó1£¬ÎÒÔõô¾õµÃ£¬ÒªÊǰüÀ¨½øÀ´Á˽áÊø·û£¬×îºólargrStr×Ö·û´®¾Í»á³ÉÁË"A string example\0 A different string\0"
ÎÒ¾õµÃÕâÑùÊä³öµÄʱºò¾ÍÖ»ÏÔʾÔÀ´cp1µÄÄÚÈݾͻáÓöµ½½áÊø·ûÁ˰¡£¬µ«ÊǾ¹ýʵ¼ù£¬Ö¤Ã÷ÊéÖÐȷʵÊÇÕýÈ·µÄ£¬Èç¹ûµÚÈý¸ö²ÎÊý²»¼Ó1£¬ÖмäÊä³öһЩÂÒÂ룬µ«ÊDz»Àí½â£¬²»ÖªµÀÎÒÓÐûÓÐ˵Ã÷°×ÎÒµÄÒâ˼£¬ËÄܽâÊÍÒ»ÏÂ
ºÇºÇ£¬¿´¿´strncpyµÈµÄÔ´´úÂë°É
Â¥ÉϵÄÒâ˼ÊÇ?????û̫Ã÷°×°¡£¬µÚÈý¸ö²ÎÊý²»ÊÇ˵½øÐвÙ×÷µÄ×Ö·û¸öÊýÂ𣿲»ÖªµÀÂ¥ÉÏÓÐûÓÐÃ÷°×ÎÒµÄÒâ˼
Ŷ£¡Â¥ÉϵÄ˵µÄÓеÀÀí£¡£¡£¡£¡ÄÇÒªÊÇûÓÐ\0µÄʱºòstrncpy¾ÍÒ»Ö±ÍùºóÕÒ£¬ÖªµÀÕÒµ½\0µÄʱºò²Å¼ÌÐøÐ´£¬ËùÒÔÖмä¾Í»áÊä³öÂÒÂëÊǰɣ¬¸Ðл¥Éϵģ¡Ã÷°×ÁË¡£½áÌùÁË
µÚÈý¸ö²ÎÊýÊÇÄãÖ¸¶¨¿½±´µÄ×Ö·û´®µÄ³¤¶È£¬²»Ò»¶¨ÊÇÕû¸ö³¤¶È°¡£¡£¡£¡
C/C++ code:
const char *cp1="A string example";
const char *cp2="A different string";
char largeStr[
Ïà¹ØÎÊ´ð£º
дÁ˸ö²âÊÔ³ÌÐòÈçÏÂ
struct hostent *hp;
char AlarmDevIP[20];
int x2;
hp = gethostbyname("www.google.com");
if (hp)
{
......
SHIFT¼ÓF10ÓëÄǸö¼üÓÒctrl±ßÉϵÄÄǸö¼ü¹¦ÄÜÒ»Ñù£¬ÏëÆÁÕâ¸ö
µ«²»ÖªÒªÔõôдÄǸö×éºÏ¼ü£¡
ÓÐûÄĸö´óÏÀ·ÅÒ»¶ÎÕâ¸öµÄ´úÂë»òдһ¶Î
http://topic.csdn.net/u/20090609/15/7dc9fb70-243f-4070-9cfd-34e48b66e6c6.html
......
±¾ÈËÕýÔÚÓÃJava×öÒ»¸öC/S¼Ü¹¹µÄÏîÄ¿£¬
¿ÉÊÇÓÉÓÚÏîÄ¿±È½Ï´ó£¬Ç°ÆÚ¶Ô¼Ü¹¹µÄÉè¼ÆÓÈÆäÖØÒª£¬ÒòΪºóÆÚ¿ÉÄÜËæÊ±»á¼Ó¸ö¹¦ÄÜ»òÕßÈ¥µôijЩ¹¦ÄÜ¡£
ËùÒÔÌØµØÑ°ÇóÈçºÎÉè¼ÆC/SµÄ¼Ü¹¹Ê¹³ÌÐò¸ü¼ÓÃæÏò¶ÔÏó¸ü¼ÓÒ×ÓÚά ......
ÓÐÒ»10*10¾ØÕ󣬳ýÈ¥µÚÒ»¸öµã£¨0£¬0£©ºÍ×îºóÒ»µã£¨9£¬9£©£¬»¹Óа˸öµãΪ1£¬ÆäËû¶¼Îª0£¬ÒªÇóÓöþάÊý×é±íʾ¡£°Ë¸öµãÊÇËæ»úÉú³ÉµÄ£¬±àдÏà¹Ø³ÌÐò±íʾ¾ØÕóËùÓпÉÄÜÇé¿ö¡£
ÕæÐÄÇó½Ì¸÷λ¸ßÊÖ£¬°¥£¡±¾ÈËÌ«²ËÁË£¡ºÇºÇ£¡
......
ÊäÈë10ѧÉúµÄ³É¼¨£¬¹²4¿Æ£¬°´ÕÕÒªÇó±àдʵÏÖÏÂÁй¦ÄܵijÌÐò£¨ÓÃ×Óº¯ÊýʵÏÖ£©
1 Çó³öÿ¿ÆµÄƽ¾ù³É¼¨ ½«Æ½¾ù·Ö¡µ90µÄͬѧµÄÅÅÐò
×÷ÒµÌù~£¡
àÅ ÎÒͬѧ¸øÎÒ·¢µÄ×÷Òµ ÎÒ×òÌì×öÁË µ«Êǽá¹ûÔËÐв»¶Ô ×òÌìÓкö ......