linux c ¶ÁÈ¡ÎļþÐÐÊý
linux c ¶ÁÈ¡ÎļþÐÐÊý²ÎÕÕwc ϵͳÃüÁî±àдµÄº¯ÊýÈçÏ£º
#include <fcntl.h>
#include <stdlib.h>
#define MAXBSIZE 65536
u_long file_wc(char *file)
{
register u_char *p;
register short gotsp;
register int ch, len;
register u_long linect, charct;
int fd;
u_char buf[MAXBSIZE];
if (file) {
if ((fd = open(file, O_RDONLY, 0)) < 0)
return -1;
for (gotsp = 1; len = read(fd, buf, MAXBSIZE);) {
if (len == -1)
return -1;
charct += len;
for (p = buf; len--;) {
ch = *p++;
if (ch == '\n')
++linect;
if (isspace(ch))
gotsp = 1;
else if (gotsp) {
gotsp = 0;
}
}
}
}
return linect;
}
²âÊÔc
#include <stdlib.h>
int main(int argc,char *argv[])
{
u_long row;
row= file_wc("test.unl");
printf("%d\n",row);
return 0;
}
Ïà¹ØÎĵµ£º
fdisk -l ÃüÁî¿´µ±Ç°´ÅÅÌÐÅÏ¢
[root@roswell root]# fdisk /dev/sdb
Command (m for help): m --´òÓ¡¸ÃÃüÁîµÄ²ÎÊý¹¦ÄÜÁбí
Command action
a toggle a bootable flag
b edit bsd disklabel
c toggle the dos compatibil ......
¤½¤ÎËû¤Î¥ª¥Ú¥ìー¥Æ¥£¥ó¥°?¥·¥¹¥Æ¥à¤Ë¤ª¤±¤ë¥Çー¥¿¥Ùー¥¹¤ÎÆð動¤ÈÍ£Ö¹¤Î×Ô動»¯
dbstart¤ª¤è¤Ódbshut¥¹¥¯¥ê¥×¥È¤òʹÓ䷤ƥÇー¥¿¥Ùー¥¹¤ÎÆð動¤ÈÍ£Ö¹¤ò×Ô動»¯¤¹¤ë¤Ë¤Ï¡¢´Î¤ÎÊÖ順¤ò実ÐФ·¤Þ¤¹¡£
root¥æー¥¶ー¤Ç¥í¥°¥¤¥ó¤·¤Þ¤¹¡£
¥×¥é¥Ã¥È¥Õ ......
±¾ÎÄÑ¡×Ô¡¶LinuxϵͳÓëÍøÂç·þÎñ¹ÜÀí¼¼Êõ´óÈ«£¨µÚ2°æ£©¡·Ò»Êé
µÚ2°æ ǰÑÔ LinuxÊÇÒ»¸öÓÅÐãµÄ¡¢ÈÕÒæ³ÉÊìµÄ²Ù×÷ϵͳ£¬¾¹ýÊ®¼¸ÄêµÄ·¢Õ¹£¬ÒѾӵÓÐÁË´óÁ¿µÄÓû§¡£ÎªÁËÂú×ãÖÚ¶àLinux³õѧÕß¡¢°®ºÃÕß¼°×¨ÒµÈËÔ±µÄʹÓÃÐèÒª£¬±ÊÕßÔÚ¶àÄê´ÓÊÂLinuxÑо¿¡¢½Ìѧ¼°¿ª·¢¹¤×÷µÄ»ù´¡ÉϾ ......
Linux·þÎñÆ÷ÐÔÄܼà²âÊǺÜÖØÒªµÄ¹¤×÷£¬·þÎñÆ÷ÔËÐÐÓ¦¸ÃÌṩ×îÓÐЧµÄϵͳÐÔÄÜ¡£µ±·þÎñÆ÷ϵͳÐÔÄÜͻȻµÍÓÚÆ½¾ùÓ¦ÓеÄÇé¿ö£¬ÎÊÌâ¿ÉÄÜÀ´×ÔÔÚÖ´ÐеĽø³Ì¡¢ÄÚ´æµÄʹÓÃÂÊ¡¢´ÅÅ̵ÄÐÔÄÜ¡¢ÍøÂçÁ÷Á¿ºÍCPU µÄѹÁ¦¡£ÔÚÔ¤Ëã¶ÌȱµÄ½ñÌ죬Àí½âÈçºÎÓÅ»¯ÏµÍ³ÐÔÄܱÈÒÔÍùÈκÎʱºò¶¼ÖØÒª¡£ÒªÊµÏÖËüµÄǰÌáÊÇ£¬Äã±ØÐë³ä·ÖÁ˽â×Ô¼ºµÄ¼ÆËã»úºÍÍøÂ磬´Ó¶ ......
Ãæ¶Ô²»¶ÏÉý¼¶µÄÄںˣ¬ÈçºÎѧϰlinuxÉ豸Çý¶¯
  ......