Beginning Linux Programming Third Edition phần 10 docx

... running Linux or other operating systems, such as user home directories In this book, we are not overly interested in sharing files among different versions of Linux, although, where a network of Linux ... around at the time. Making Linux look and feel like UNIX set the first standards for Linux, providing a familiar environment for C programmers. Different UNIX (and later Linux) ven...

Ngày tải lên: 09/08/2014, 14:21

... differ in minor respects between versions of Linux and UNIX: $ ./user User is neil User IDs: uid=500, gid =100 UID passwd entry: name=neil, uid=500, gid =100 , home=/home/neil, shell=/bin/bash root ... setpwent(void); 157 The Linux Environment b544977 Ch04.qxd 12/1/03 8:55 AM Page 157 The X/Open specification defines a standard usage for command line options (the Utility Syntax Guideline...

Ngày tải lên: 09/08/2014, 14:21

... 100 umask 100 close 101 ioctl 102 Try It Out—A File Copy Program 102 Other System Calls for Managing Files 104 lseek 104 fstat, stat, and lstat 104 dup and dup2 106 The Standard I/O Library 107 fopen ... 106 The Standard I/O Library 107 fopen 108 fread 108 fwrite 109 fclose 109 fflush 109 fseek 110 fgetc, getc, and getchar 110 fputc, putc, and putchar 110...

Ngày tải lên: 09/08/2014, 14:21

... lowercase words that are exactly 10 characters long. We do this by specifying a range of characters to match a to z, and a repetition of 10 matches: $ grep -E [a-z]\ {10\ } words2.txt Proceeding from ... from the X/Open specification itself: foo =10 x=foo y=’$’$x echo $y This gives the output $foo. However, foo =10 x=foo eval y=’$’$x echo $y gives the output 10. Thus, eval is a bit lik...

Ngày tải lên: 09/08/2014, 14:21

... program locked only the first 100 bytes. The second program writes twos to bytes 100 to 199, closes the file, unlocks it, and exits. The first program then locks the second 100 bytes of the file and ... is Process 227 locking file Process 228, trying F_RDLCK, region 10 to 15 Process 228 - obtained lock on region Process 228, trying F_UNLCK, region 10 to 15 Process 228 - unlocked region...

Ngày tải lên: 09/08/2014, 14:21

... get_artist_id(char *artist) { MYSQL_RES *res_ptr; MYSQL_ROW mysqlrow; int res; char qs [100 ]; char is [100 ]; char es [100 ]; int artist_id = -1; /* Does it already exist? */ mysql_escape_string(es, artist, ... get_artist_id */ 358 Chapter 8 b544977 Ch08.qxd 12/1/03 8:56 AM Page 358 char track[20] [100 ]; }; #define MAX_CD_RESULT 10 struct cd_search_st { int cd_id[MAX_CD_RESULT]; }; Now a...

Ngày tải lên: 09/08/2014, 14:21

... /usr/sbin/cupsd 100 4 ? S 0:00 /usr/lib/postfix/master 102 1 ? S 0:00 pickup -l -t fifo -u 102 2 ? S 0:00 qmgr -l -t fifo -u 103 7 ? S 0:00 /usr/sbin/atd 105 5 ? S 0:00 /usr/sbin/cron 107 1 ? S 0:00 ... /usr/sbin/nscd 108 4 ? S 0:00 /usr/sbin/nscd 109 4 tty1 S 0:00 /sbin/mingetty noclear tty1 109 5 tty2 S 0:00 /sbin/mingetty tty2 109 6 tty3 S 0:00 /sbin/mingetty tty3 109 7 tty4 S 0...

Ngày tải lên: 09/08/2014, 14:21

... where _POSIX_THREAD_ATTR_STACKSIZE is defined. Linux implements threads with a large amount of stack by default, so the feature is generally redundant on Linux. Try It Out—Setting the Detached State ... was using. ❑ scope: This attribute controls how the scheduling of a thread is calculated. Since Linux currently supports only the value PTHREAD_SCOPE_SYSTEM, we will not look at this fu...

Ngày tải lên: 09/08/2014, 14:21

... s_port)); 606 Chapter 15 b544977 Ch15.qxd 12/1/03 8:57 AM Page 606 16 Programming GNOME Using GTK+ So far in this book, we’ve covered the major topics in Linux programming that deal with complex, under-the-hood ... system on Linux, then you’ve most likely used XFree86, which is the Open Source, freely distributable clone of the X Window System that almost all Linux distributions are...

Ngày tải lên: 09/08/2014, 14:21

... <kapp.h> #include <qmessagebox.h> int main( int argc, char **argv ) { char username [100 ]; char password [100 ]; KApplication a( argc, argv, “cdapp” ); LogonDialog *dialog = new LogonDialog(); while ... kdemenu MOC_DIR = moc OBJECTS_DIR = obj INCLUDEPATH = /usr/include/kde 710 Chapter 17 b544977 Ch17.qxd 12/1/03 8:57 AM Page 710 class AddCdDialog : public KDialogBase { Q_OBJEC...

Ngày tải lên: 09/08/2014, 14:21