C/C++——С±à̸CÓïÑÔº¯ÊýÄÇЩÊÂ(17)
C³ÌÐòÊÇÓÉÒ»×é»òÊDZäÁ¿»òÊǺ¯ÊýµÄÍⲿ¶ÔÏó×é³ÉµÄ¡£ º¯ÊýÊÇÒ»¸ö×ÔÎÒ°üº¬µÄÍê³ÉÒ»¶¨Ïà¹Ø¹¦ÄܵÄÖ´ÐдúÂë¶Î¡£ÏÂÃæС±àºÍ´ó¼Ò·ÖÏíÏÂCÓïÑÔÖеĺ¯Êý¡£
1. registerbgidriverº¯Êý
registerbgidriverº¯ÊýµÄ¹¦ÄÜÊǵǼÒÑÁ¬½Ó½øÀ´µÄͼÐÎÇý¶¯³ÌÐò´úÂ룬ÆäÓ÷¨Îª£ºint registerbgidriver(void(*driver)(void));³ÌÐòʵÀýÈçÏ£º
#include <graphics.h>
#include <stdlib.h>
#include <stdio.h>
#include <conio.h>
int main(void)
{
int gdriver = DETECT, gmode, errorcode;
errorcode = registerbgidriver(EGAVGA_driver);
if (errorcode < 0)
{
printf("Graphics error: %s\n", grapherrormsg(errorcode));
printf("Press any key to halt:");
getch();
exit(1);
}
initgraph(&gdriver, &gmode, "");
errorcode = graphresult();
if (errorcode != grOk)
{
printf("Graphics error: %s\n", grapherrormsg(errorcode));
printf("Press any key to halt:");
getch();
exit(1); /* terminate with an error code */
}
line(0, 0, getmaxx(), getmaxy());
getch();
closegraph();
return 0;
} 2. randbrdº¯Êý
randbrdº¯ÊýµÄ¹¦ÄÜÊÇËæ»ú¿é¶Á£¬ÆäÓ÷¨Îªint randbrd(struct fcb *fcbptr, int reccnt);³ÌÐòʵÀý´úÂëÈçÏ£º
#include <proces
Ïà¹ØÎĵµ£º
½ñÌìÎÞÊ£¬ÔÚÂÛ̳ÉÏÒ»Ö±¿´Ìù×Ó£¬ºÜÉÙ¶¯ÊÖʵ¼ù£¬½ñÌìÊÔ×ÅдÁËÒ»¸ö¶ÁÈ¡Ô´³ÌÐò´úÂëÐÐÊýµÄÀý×Ó£º
ÏÖÔڵĴúÂëÈçÏ£¬¿ÉÄÜ»¹Óв»ÍêÉƵĵط½£¬ÒÔºóÔٸĽø£º
#include <stdio.h>
#define CHARCOUNT 255
#define CON 6 /*µ¥ÐÐ×¢ÊÍ×îÉÙµÄʱºò*/
int realLength = 0;
/*
* function name: strCount
* function : count ......
C³ÌÐòÊÇÓÉÒ»×é»òÊDZäÁ¿»òÊǺ¯ÊýµÄÍⲿ¶ÔÏó×é³ÉµÄ¡£ º¯ÊýÊÇÒ»¸ö×ÔÎÒ°üº¬µÄÍê³ÉÒ»¶¨Ïà¹Ø¹¦ÄܵÄÖ´ÐдúÂë¶Î¡£ÏÂÃæС±àºÍ´ó¼Ò·ÖÏíÏÂCÓïÑÔÖеĺ¯Êý¡£
1. parsfnmº¯Êý
parsfnmº¯ÊýµÄ¹¦ÄÜÊÇ·ÖÎöÎļþÃû£¬ÆäÓ÷¨Îª£ºchar *parsfnm (char *cmdline, struct fcb *fcbptr, ......
C³ÌÐòÊÇÓÉÒ»×é»òÊDZäÁ¿»òÊǺ¯ÊýµÄÍⲿ¶ÔÏó×é³ÉµÄ¡£ º¯ÊýÊÇÒ»¸ö×ÔÎÒ°üº¬µÄÍê³ÉÒ»¶¨Ïà¹Ø¹¦ÄܵÄÖ´ÐдúÂë¶Î¡£ÏÂÃæС±àºÍ´ó¼Ò·ÖÏíÏÂCÓïÑÔÖеĺ¯Êý¡£
1. qsortº¯Êý
qsortº¯ÊýµÄ¹¦ÄÜÊÇʹÓÿìËÙÅÅÐòÀý³Ì½øÐÐÅÅÐò£¬ÆäÓ÷¨Îª£ºvoid qsort(void *base, int nelem, int width, int (*fcmp)());³Ì ......
Cº¯ÊýÒªÔÚ³ÌÐòÖÐÓõ½ÒÔÏÂÕâЩºê:
void va_start( va_list arg_ptr, prev_param );
type va_arg( va_list arg_ptr, type );
void va_end( va_list arg_ptr );
va_list:ÓÃÀ´±£´æºêva_start¡¢va_argºÍva_endËùÐèÐÅÏ¢µÄÒ»ÖÖÀàÐÍ¡£ÎªÁË·ÃÎʱ䳤²ÎÊýÁбíÖеIJÎÊý£¬±ØÐëÉùÃ÷
& ......
2005-09-12 09:16
×÷ÕߣºËᦻª
³ö´¦£ºÌ켫Íø
ÔðÈα༣º·½ÖÛ
¡¡¡¡º¯Êýmax¿´ÆðÀ´¼ò½àÃ÷ÁË£¬µ«ÊÇʵ¼ÊÉÏprintfµÄʵÏÖÈ´Ô¶±ÈÕ⸴ÔÓ¡£maxº¯ÊýÖ®ËùÒÔ¿´ÆðÀ´¼òµ¥£¬ÊÇÒòΪ£º
¡¡¡¡(1) maxº¯Êý¿É±ä²ÎÊý±íµÄ³¤¶ÈÊÇÒÑÖªµÄ£¬Í¨¹ýnum²ÎÊý´«È룻
¡¡¡¡(2) maxº¯Êý¿É±ä²ÎÊý±íÖвÎÊýµÄÀàÐÍÊÇÒÑÖªµÄ£¬¶¼ÎªintÐÍ¡£
¡¡¡¡¶øprintfº¯ÊýÔ ......