C Primer Plus µÚ11Õ ×Ö·û´®ºÍ×Ö·û´®º¯Êý С½á
Ò»¡¢×Ö·û´®³õʼ»¯·½Ê½
//µÚÒ»ÖÖ£º´óСȷ¶¨µÄÇé¿ö
char string1[10] = "I am a boy";
//µÚ¶þÖÖ£º×Ô¶¯¼ÆËã´óС
char string2[] = "I am a boy";
//µÚÈýÖÖ£º³õʼ»¯Ò»¸öÖ¸Õë
char *string3 = "I am a boy";
//µÚËÄÖÖ£º³õʼ»¯Ò»¸öÖ¸ÕëÊý×é
char *string4[10] = "I am a boy";
¶þ¡¢×Ö·û´®ÖÐÊý×éºÍÖ¸ÕëµÄÇø±ð
Êý×éÃû¾ÍÊÇÒ»¸öÖ¸Õ룬ָÏòÊ×ÔªËØ¡£
Êý×éÃûÊǸöµØÖ·³£Á¿£¬¾ÍÊÇ˵²»¿ÉÒÔ¸ü¸Ä£¬±ÈÈç½øÐÐ×ÔÔöÔËË㣬µ«¿ÉÒÔ½øÐÐstring+1À´Ö¸Ã÷ÏÂÒ»¸öÔªËØ
Ö¸ÕëÊDZäÁ¿£¬¾ÍÊÇ˵¿ÉÒԸıäÖµ£¬¿ÉÒÔ½øÐÐ×ÔÔöÔËËã
Èý¡¢×Ö·û´®µÄÊäÈë
gets()º¯Êý£º¶ÁÈ¡³ýÁË»»Ðзû'\n'ÒÔÍâµÄËùÓÐ×Ö·û£¬·µ»ØÖµÊǶÁÈ¡µÄ×Ö·û´®µÄÊ×µØÖ·¡£Èç¹û³ö´íÔò·µ»Ø¿ÕµØÖ·NULL
fgets()º¯Êý£ºÎª¶ÁÈ¡Îļþ¶øÉè¼Æ£¬µ«Ò²¿ÉÒÔ´Ó¼üÅ̶ÁÊý¾Ý£¬Ö»ÒªµÚÈý¸ö²ÎÊýΪstdin¼´¿É¡£Óëgets()²»Í¬µÄÊÇËü»á¶ÁÈ¡»»Ðзû£¬²¢´æµ½×Ö·û´®µ±ÖÐ
scanf()º¯Êý£º±È½ÏÊʺÏÓÚ¶ÁÈ¡µ¥´Ê£¬¶ø²»ÊÇ×Ö·û´®
ËÄ¡¢×Ö·û´®µÄÊä³ö
puts()£º²ÎÊýΪ×Ö·û´®Ê×µØÖ·£¬ÏÔʾÍê×Ö·û´®ºó»áÌí¼ÓÒ»¸ö»»Ðзû£¬¾ÍÊÇ»á×Ô¶¯»»ÐÐ
fputs()£ºÀàËÆfgets()£¬ÎªÁËÊä³öµ½ÆÁÄ»£¬ºóÒ»¸ö²ÎÊýÐèҪд³Éstdout¡£Ëü²»»áÊä³ö»»Ðзû
Îå¡¢mainº¯ÊýµÄ±ê×¼ÐÎʽ
int main (int argc, char *argv[])
argcÊDzÎÊýÊýÁ¿£¬argvÊÇÒ»¸öÖ¸ÕëÊý×飬´æ·ÅÊäÈëÃüÁîÐвÎÊýÀïÃæ×Ö·û´®µÄµØÖ·
Áù¡¢×Ö·û´®×ª»»³ÉÊý×Ö
C¹æ¶¨ÍⲿµÄÊäÈëÊä³ö±ØÐë¶¼ÊÇÒÔ×Ö·û»ò×Ö·û´®µÄÐÎʽ½øÐУ¬µ«ÄÚ²¿ÔËËãÒªÇóÊý×ÖÐÎʽ£¬ËùÒÔµ±mainº¯ÊýÐèÒªÊý×ÖÃüÁîÐвÎÊýµÄʱºò¾ÍÐèҪת»»¡£
stdlib.hÀïÃæÓÐÌṩatoi()£¬atof()£¬atol()£¬strtol()£¬strtoul()£¬strtod()
Ïà¹ØÎĵµ£º
Code:
1.»·¾³ÅäÖÃ
Ò»°ãÇé¿öϰ²×°ÁËMySQLµÄ»úÆ÷ºÜÉÙ°²×°¿ª·¢°ü£¬Õâ¸öÐèҪעÒâ¡£Ò²¾ÍÊÇÄúÐèÒªÔÚ³ÌÐòÖаüº¬ÕâÑùµÄÓï¾ä£º
#include <mysql.h>
Èç¹ûÔÚ±àÒëµÄʱºòÌáʾº¬ÓÐÀàËÆÓÚÕÒ²»µ½ mysql.h µÄÐÅÏ¢£¬Õâ¾Í˵Ã÷ÄúûÓа²×°Ïà¹Ø¿ª·¢°ü¡£
»¹ÓÐÄú±ØÐ뽨Á¢Ò»¸öÊý¾Ý¿âÓëһЩ±í£¬Õâ¸öÔÚ±¾ÎÄÖлáʹÓá£
2.ÎÒÃÇÏÈÁ´½ÓÊ ......
1.ÊäÈëÒ»¶Î×Öĸ¼ÓÊý×ֵľä×Ó£¬È»ºóÊä³öÆäÖÐÓм¸×éÊý×Ö£¬²¢ÇÒÊä³ö¸÷×éÊý×Ö£¬²¢¶ÔÆäÇ󯽾ùÖµ£¨È¡Õû¼´¿É£©
#include<stdio.h>
#include<math.h>
int main()
{
int i,x=0,t=0,n=0,p=0;
char a[90]={0};
scanf("%s",a);
printf("Found:");
for(i=0;i<90;i++)
{
if(a[i]&g ......
Ò»¡¢Ò»¸ö¾¹ý±àÒëµÄC/C++µÄ³ÌÐòÕ¼ÓõÄÄÚ´æ·Ö³ÉÒÔϼ¸¸ö²¿·Ö£º
¡¡¡¡1¡¢Õ»Çø£¨stack£©£ºÓɱàÒëÆ÷×Ô¶¯·ÖÅäºÍÊÍ·Å £¬´æ·Åº¯ÊýµÄ²ÎÊýÖµ¡¢¾Ö²¿±äÁ¿µÄÖµµÈ£¬ÉõÖÁº¯ÊýµÄµ÷Óùý³Ì¶¼ÊÇÓÃÕ»À´Íê³É¡£Æä²Ù×÷·½Ê½ÀàËÆÓÚÊý¾Ý½á¹¹ÖеÄÕ»¡£
¡¡¡¡2¡¢¶ÑÇø£¨heap£© £ºÒ»°ãÓɳÌÐòÔ±ÊÖ¶¯ÉêÇëÒÔ¼°ÊÍ·Å£¬ Èô³ÌÐòÔ±²»ÊÍ·Å£¬³ÌÐò½áÊøÊ±¿ÉÄÜÓÉOS»ØÊÕ ......
·½Ê½ ·ûºÅ³£Á¿ ÏÔʾÁÐ×ÐÐÊýºÍÑÕÉ«
0 BW40 40×25 ºÚ°×ÏÔʾ
1 C40 40×25 ²ÊÉ«ÏÔʾ
2 BW80 80×25 ºÚ°×ÏÔʾ
3 C80 80×25 ²ÊÉ«ÏÔʾ
7 MONO 80×25 µ¥É«ÏÔʾ
-1 LASTMODE ÉÏÒ»´ÎµÄÏÔʾ·½Ê½
Turbo C Ò²¿ÉÒÔÈÃÓû§¸ù¾Ý×Ô¼ºµÄÐèÒªÖØÐÂÉ趨ÏÔʾ´°¿Ú£¬Ò²¾ÍÊÇ˵£¬Í¨¹ýʹÓô°¿ÚÉè
Öú¯Êýwi ......
ÌâÄ¿£ºÔÚÆÁÄ»Éϻһ¸ö¾ØÐÎ
ÒªÇó£ºÃ¿°´Ò»´Î¼üÅÌ£¬¸Ã¾ØÐÎת¶¯45¶È¡£¾ØÐεĴóСºÍת¶¯µÄ·½ÏòÓмüÅÌÊäÈ룬²¢½«ÊäÈëµÄÊý¾ÝËÍÎļþ±£´æ£¬°´»Ø³µ¼ü³ÌÐò½áÊø¡££¨¹¦ÄÜÑÓÉ죺¸Ä±äÊý¾ÝÎļþµÄÄÚÈݺó£¬ÔÙ¸ù¾ÝÊý¾ÝÎļþÀïµÄÊý¾Ý»æÖƾØÐΣ©
......