FAQ appendix 2: comp.unix.programmer FAQ question list

RU.UNIX.PROG FAQ poster написал(а) к All в Sep 15 10:16:58 по местному времени:

From: "RU.UNIX.PROG FAQ poster" <netch@segfault.kiev.ua>


Unix Programming FAQ
Question list only

Archive-Name: unix-faq/programmer/faq
Comp-unix-programmer-Archive-Name: faq
URL: http://www.faqs.org/faqs/unix-faq/programmer/faq/

1. Process Control
1.1 Creating new processes: fork()
1.1.1 What does fork() do?
1.1.2 What's the difference between fork() and vfork()?
1.1.3 Why use _exit rather than exit in the child branch of a fork?
1.2 Environment variables
1.2.1 Нow can I get/set an environment variable from a program?
1.2.2 Нow can I read the whole environment?
1.3 Нow can I sleep for less than a second?
1.4 Нow can I get a finer-grained version of alarm()?
1.5 Нow can a parent and child process communicate?
1.6 Нow do I get rid of zombie processes?
1.6.1 What is a zombie?
1.6.2 Нow do I prevent them from occuring?
1.7 Нow do I get my program to act like a daemon?
1.8 Нow can I look at process in the system like ps does?
1.9 Given a pid, how can I tell if it's a running program?
1.10 What's the return value of system/pclose/waitpid?
1.11 Нow do I find out about a process' memory usage?
1.12 Why do processes never decrease in size?
1.13 Нow do I change the name of my program (as seen by `ps')?
1.14 Нow can I find a process' executable file?
1.14.1 So where do I put my configuration files then?
1.15 Why doesn't my process get SIGНUP when its parent dies?
1.16 Нow can I kill all descendents of a process?

2. General File handling (including pipes and sockets)
2.1 Нow to manage multiple connections?
2.1.1 Нow do I use select()?
2.1.2 Нow do I use poll()?
2.1.3 Can I use SysV IPC at the same time as select or poll?
2.2 Нow can I tell when the other end of a connection shuts down?
2.3 Best way to read directories?
2.4 Нow can I find out if someone else has a file open?
2.5 Нow do I `lock' a file?
2.6 Нow do I find out if a file has been updated by another process?
2.7 Нow does the `du' utility work?
2.8 Нow do I find the size of a file?
2.9 Нow do I expand `~' in a filename like the shell does?
2.10 What can I do with named pipes (FIFOs)?
2.10.1 What is a named pipe?
2.10.2 Нow do I create a named pipe?
2.10.3 Нow do I use a named pipe?
2.10.4 Can I use a named pipe across NFS?
2.10.5 Can multiple processes write to the pipe simultaneously?
2.10.6 Using named pipes in applications

3. Terminal I/O
3.1 Нow can I make my program not echo input?
3.2 Нow can I read single characters from the terminal?
3.3 Нow can I check and see if a key was pressed?
3.4 Нow can I move the cursor around the screen?
3.5 What are pttys?
3.6 Нow to handle a serial port or modem?
3.6.1 Serial device names and types
3.6.2 Setting up termios flags
3.6.2.1 c_iflag
3.6.2.2 c_oflag
3.6.2.3 c_cflag
3.6.2.4 c_lflag
3.6.2.5 c_cc

4. System Information
4.1 Нow can I tell how much memory my system has?
4.2 Нow do I check a user's password?
4.2.1 Нow do I get a user's password?
4.2.2 Нow do I get shadow passwords by uid?
4.2.3 Нow do I verify a user's password?

5. Miscellaneous programming
5.1 Нow do I compare strings using wildcards?
5.1.1 Нow do I compare strings using filename patterns?
5.1.2 Нow do I compare strings using regular expressions?
5.2 What's the best way to send mail from a program?
5.2.1 The simple method: /bin/mail
5.2.2 Invoking the MTA directly: /usr/lib/sendmail
5.2.2.1 Supplying the envelope explicitly
5.2.2.2 Allowing sendmail to deduce the recipients

6. Use of tools
6.1 Нow can I debug the children after a fork?
6.2 Нow to build library from other libraries?
6.3 Нow to create shared libraries / dlls?
6.4 Can I replace objects in a shared library?
6.5 Нow can I generate a stack dump from within a running program?

--- ifmail v.2.15dev5.4

RU.UNIX.PROG FAQ poster написал(а) к All в Sep 15 10:16:48 по местному времени:

From: "RU.UNIX.PROG FAQ poster" <netch@segfault.kiev.ua>


Unix Programming FAQ
Question list only

Archive-Name: unix-faq/programmer/faq
Comp-unix-programmer-Archive-Name: faq
URL: http://www.faqs.org/faqs/unix-faq/programmer/faq/

1. Process Control
1.1 Creating new processes: fork()
1.1.1 What does fork() do?
1.1.2 What's the difference between fork() and vfork()?
1.1.3 Why use _exit rather than exit in the child branch of a fork?
1.2 Environment variables
1.2.1 Нow can I get/set an environment variable from a program?
1.2.2 Нow can I read the whole environment?
1.3 Нow can I sleep for less than a second?
1.4 Нow can I get a finer-grained version of alarm()?
1.5 Нow can a parent and child process communicate?
1.6 Нow do I get rid of zombie processes?
1.6.1 What is a zombie?
1.6.2 Нow do I prevent them from occuring?
1.7 Нow do I get my program to act like a daemon?
1.8 Нow can I look at process in the system like ps does?
1.9 Given a pid, how can I tell if it's a running program?
1.10 What's the return value of system/pclose/waitpid?
1.11 Нow do I find out about a process' memory usage?
1.12 Why do processes never decrease in size?
1.13 Нow do I change the name of my program (as seen by `ps')?
1.14 Нow can I find a process' executable file?
1.14.1 So where do I put my configuration files then?
1.15 Why doesn't my process get SIGНUP when its parent dies?
1.16 Нow can I kill all descendents of a process?

2. General File handling (including pipes and sockets)
2.1 Нow to manage multiple connections?
2.1.1 Нow do I use select()?
2.1.2 Нow do I use poll()?
2.1.3 Can I use SysV IPC at the same time as select or poll?
2.2 Нow can I tell when the other end of a connection shuts down?
2.3 Best way to read directories?
2.4 Нow can I find out if someone else has a file open?
2.5 Нow do I `lock' a file?
2.6 Нow do I find out if a file has been updated by another process?
2.7 Нow does the `du' utility work?
2.8 Нow do I find the size of a file?
2.9 Нow do I expand `~' in a filename like the shell does?
2.10 What can I do with named pipes (FIFOs)?
2.10.1 What is a named pipe?
2.10.2 Нow do I create a named pipe?
2.10.3 Нow do I use a named pipe?
2.10.4 Can I use a named pipe across NFS?
2.10.5 Can multiple processes write to the pipe simultaneously?
2.10.6 Using named pipes in applications

3. Terminal I/O
3.1 Нow can I make my program not echo input?
3.2 Нow can I read single characters from the terminal?
3.3 Нow can I check and see if a key was pressed?
3.4 Нow can I move the cursor around the screen?
3.5 What are pttys?
3.6 Нow to handle a serial port or modem?
3.6.1 Serial device names and types
3.6.2 Setting up termios flags
3.6.2.1 c_iflag
3.6.2.2 c_oflag
3.6.2.3 c_cflag
3.6.2.4 c_lflag
3.6.2.5 c_cc

4. System Information
4.1 Нow can I tell how much memory my system has?
4.2 Нow do I check a user's password?
4.2.1 Нow do I get a user's password?
4.2.2 Нow do I get shadow passwords by uid?
4.2.3 Нow do I verify a user's password?

5. Miscellaneous programming
5.1 Нow do I compare strings using wildcards?
5.1.1 Нow do I compare strings using filename patterns?
5.1.2 Нow do I compare strings using regular expressions?
5.2 What's the best way to send mail from a program?
5.2.1 The simple method: /bin/mail
5.2.2 Invoking the MTA directly: /usr/lib/sendmail
5.2.2.1 Supplying the envelope explicitly
5.2.2.2 Allowing sendmail to deduce the recipients

6. Use of tools
6.1 Нow can I debug the children after a fork?
6.2 Нow to build library from other libraries?
6.3 Нow to create shared libraries / dlls?
6.4 Can I replace objects in a shared library?
6.5 Нow can I generate a stack dump from within a running program?

--- ifmail v.2.15dev5.4

RU.UNIX.PROG FAQ poster написал(а) к All в Oct 15 10:17:17 по местному времени:

From: "RU.UNIX.PROG FAQ poster" <netch@segfault.kiev.ua>


Unix Programming FAQ
Question list only

Archive-Name: unix-faq/programmer/faq
Comp-unix-programmer-Archive-Name: faq
URL: http://www.faqs.org/faqs/unix-faq/programmer/faq/

1. Process Control
1.1 Creating new processes: fork()
1.1.1 What does fork() do?
1.1.2 What's the difference between fork() and vfork()?
1.1.3 Why use _exit rather than exit in the child branch of a fork?
1.2 Environment variables
1.2.1 Нow can I get/set an environment variable from a program?
1.2.2 Нow can I read the whole environment?
1.3 Нow can I sleep for less than a second?
1.4 Нow can I get a finer-grained version of alarm()?
1.5 Нow can a parent and child process communicate?
1.6 Нow do I get rid of zombie processes?
1.6.1 What is a zombie?
1.6.2 Нow do I prevent them from occuring?
1.7 Нow do I get my program to act like a daemon?
1.8 Нow can I look at process in the system like ps does?
1.9 Given a pid, how can I tell if it's a running program?
1.10 What's the return value of system/pclose/waitpid?
1.11 Нow do I find out about a process' memory usage?
1.12 Why do processes never decrease in size?
1.13 Нow do I change the name of my program (as seen by `ps')?
1.14 Нow can I find a process' executable file?
1.14.1 So where do I put my configuration files then?
1.15 Why doesn't my process get SIGНUP when its parent dies?
1.16 Нow can I kill all descendents of a process?

2. General File handling (including pipes and sockets)
2.1 Нow to manage multiple connections?
2.1.1 Нow do I use select()?
2.1.2 Нow do I use poll()?
2.1.3 Can I use SysV IPC at the same time as select or poll?
2.2 Нow can I tell when the other end of a connection shuts down?
2.3 Best way to read directories?
2.4 Нow can I find out if someone else has a file open?
2.5 Нow do I `lock' a file?
2.6 Нow do I find out if a file has been updated by another process?
2.7 Нow does the `du' utility work?
2.8 Нow do I find the size of a file?
2.9 Нow do I expand `~' in a filename like the shell does?
2.10 What can I do with named pipes (FIFOs)?
2.10.1 What is a named pipe?
2.10.2 Нow do I create a named pipe?
2.10.3 Нow do I use a named pipe?
2.10.4 Can I use a named pipe across NFS?
2.10.5 Can multiple processes write to the pipe simultaneously?
2.10.6 Using named pipes in applications

3. Terminal I/O
3.1 Нow can I make my program not echo input?
3.2 Нow can I read single characters from the terminal?
3.3 Нow can I check and see if a key was pressed?
3.4 Нow can I move the cursor around the screen?
3.5 What are pttys?
3.6 Нow to handle a serial port or modem?
3.6.1 Serial device names and types
3.6.2 Setting up termios flags
3.6.2.1 c_iflag
3.6.2.2 c_oflag
3.6.2.3 c_cflag
3.6.2.4 c_lflag
3.6.2.5 c_cc

4. System Information
4.1 Нow can I tell how much memory my system has?
4.2 Нow do I check a user's password?
4.2.1 Нow do I get a user's password?
4.2.2 Нow do I get shadow passwords by uid?
4.2.3 Нow do I verify a user's password?

5. Miscellaneous programming
5.1 Нow do I compare strings using wildcards?
5.1.1 Нow do I compare strings using filename patterns?
5.1.2 Нow do I compare strings using regular expressions?
5.2 What's the best way to send mail from a program?
5.2.1 The simple method: /bin/mail
5.2.2 Invoking the MTA directly: /usr/lib/sendmail
5.2.2.1 Supplying the envelope explicitly
5.2.2.2 Allowing sendmail to deduce the recipients

6. Use of tools
6.1 Нow can I debug the children after a fork?
6.2 Нow to build library from other libraries?
6.3 Нow to create shared libraries / dlls?
6.4 Can I replace objects in a shared library?
6.5 Нow can I generate a stack dump from within a running program?

--- ifmail v.2.15dev5.4

RU.UNIX.PROG FAQ poster написал(а) к All в Oct 15 10:16:48 по местному времени:

From: "RU.UNIX.PROG FAQ poster" <netch@segfault.kiev.ua>


Unix Programming FAQ
Question list only

Archive-Name: unix-faq/programmer/faq
Comp-unix-programmer-Archive-Name: faq
URL: http://www.faqs.org/faqs/unix-faq/programmer/faq/

1. Process Control
1.1 Creating new processes: fork()
1.1.1 What does fork() do?
1.1.2 What's the difference between fork() and vfork()?
1.1.3 Why use _exit rather than exit in the child branch of a fork?
1.2 Environment variables
1.2.1 Нow can I get/set an environment variable from a program?
1.2.2 Нow can I read the whole environment?
1.3 Нow can I sleep for less than a second?
1.4 Нow can I get a finer-grained version of alarm()?
1.5 Нow can a parent and child process communicate?
1.6 Нow do I get rid of zombie processes?
1.6.1 What is a zombie?
1.6.2 Нow do I prevent them from occuring?
1.7 Нow do I get my program to act like a daemon?
1.8 Нow can I look at process in the system like ps does?
1.9 Given a pid, how can I tell if it's a running program?
1.10 What's the return value of system/pclose/waitpid?
1.11 Нow do I find out about a process' memory usage?
1.12 Why do processes never decrease in size?
1.13 Нow do I change the name of my program (as seen by `ps')?
1.14 Нow can I find a process' executable file?
1.14.1 So where do I put my configuration files then?
1.15 Why doesn't my process get SIGНUP when its parent dies?
1.16 Нow can I kill all descendents of a process?

2. General File handling (including pipes and sockets)
2.1 Нow to manage multiple connections?
2.1.1 Нow do I use select()?
2.1.2 Нow do I use poll()?
2.1.3 Can I use SysV IPC at the same time as select or poll?
2.2 Нow can I tell when the other end of a connection shuts down?
2.3 Best way to read directories?
2.4 Нow can I find out if someone else has a file open?
2.5 Нow do I `lock' a file?
2.6 Нow do I find out if a file has been updated by another process?
2.7 Нow does the `du' utility work?
2.8 Нow do I find the size of a file?
2.9 Нow do I expand `~' in a filename like the shell does?
2.10 What can I do with named pipes (FIFOs)?
2.10.1 What is a named pipe?
2.10.2 Нow do I create a named pipe?
2.10.3 Нow do I use a named pipe?
2.10.4 Can I use a named pipe across NFS?
2.10.5 Can multiple processes write to the pipe simultaneously?
2.10.6 Using named pipes in applications

3. Terminal I/O
3.1 Нow can I make my program not echo input?
3.2 Нow can I read single characters from the terminal?
3.3 Нow can I check and see if a key was pressed?
3.4 Нow can I move the cursor around the screen?
3.5 What are pttys?
3.6 Нow to handle a serial port or modem?
3.6.1 Serial device names and types
3.6.2 Setting up termios flags
3.6.2.1 c_iflag
3.6.2.2 c_oflag
3.6.2.3 c_cflag
3.6.2.4 c_lflag
3.6.2.5 c_cc

4. System Information
4.1 Нow can I tell how much memory my system has?
4.2 Нow do I check a user's password?
4.2.1 Нow do I get a user's password?
4.2.2 Нow do I get shadow passwords by uid?
4.2.3 Нow do I verify a user's password?

5. Miscellaneous programming
5.1 Нow do I compare strings using wildcards?
5.1.1 Нow do I compare strings using filename patterns?
5.1.2 Нow do I compare strings using regular expressions?
5.2 What's the best way to send mail from a program?
5.2.1 The simple method: /bin/mail
5.2.2 Invoking the MTA directly: /usr/lib/sendmail
5.2.2.1 Supplying the envelope explicitly
5.2.2.2 Allowing sendmail to deduce the recipients

6. Use of tools
6.1 Нow can I debug the children after a fork?
6.2 Нow to build library from other libraries?
6.3 Нow to create shared libraries / dlls?
6.4 Can I replace objects in a shared library?
6.5 Нow can I generate a stack dump from within a running program?

--- ifmail v.2.15dev5.4

RU.UNIX.PROG FAQ poster написал(а) к All в Nov 15 11:16:47 по местному времени:

From: "RU.UNIX.PROG FAQ poster" <netch@segfault.kiev.ua>


Unix Programming FAQ
Question list only

Archive-Name: unix-faq/programmer/faq
Comp-unix-programmer-Archive-Name: faq
URL: http://www.faqs.org/faqs/unix-faq/programmer/faq/

1. Process Control
1.1 Creating new processes: fork()
1.1.1 What does fork() do?
1.1.2 What's the difference between fork() and vfork()?
1.1.3 Why use _exit rather than exit in the child branch of a fork?
1.2 Environment variables
1.2.1 Нow can I get/set an environment variable from a program?
1.2.2 Нow can I read the whole environment?
1.3 Нow can I sleep for less than a second?
1.4 Нow can I get a finer-grained version of alarm()?
1.5 Нow can a parent and child process communicate?
1.6 Нow do I get rid of zombie processes?
1.6.1 What is a zombie?
1.6.2 Нow do I prevent them from occuring?
1.7 Нow do I get my program to act like a daemon?
1.8 Нow can I look at process in the system like ps does?
1.9 Given a pid, how can I tell if it's a running program?
1.10 What's the return value of system/pclose/waitpid?
1.11 Нow do I find out about a process' memory usage?
1.12 Why do processes never decrease in size?
1.13 Нow do I change the name of my program (as seen by `ps')?
1.14 Нow can I find a process' executable file?
1.14.1 So where do I put my configuration files then?
1.15 Why doesn't my process get SIGНUP when its parent dies?
1.16 Нow can I kill all descendents of a process?

2. General File handling (including pipes and sockets)
2.1 Нow to manage multiple connections?
2.1.1 Нow do I use select()?
2.1.2 Нow do I use poll()?
2.1.3 Can I use SysV IPC at the same time as select or poll?
2.2 Нow can I tell when the other end of a connection shuts down?
2.3 Best way to read directories?
2.4 Нow can I find out if someone else has a file open?
2.5 Нow do I `lock' a file?
2.6 Нow do I find out if a file has been updated by another process?
2.7 Нow does the `du' utility work?
2.8 Нow do I find the size of a file?
2.9 Нow do I expand `~' in a filename like the shell does?
2.10 What can I do with named pipes (FIFOs)?
2.10.1 What is a named pipe?
2.10.2 Нow do I create a named pipe?
2.10.3 Нow do I use a named pipe?
2.10.4 Can I use a named pipe across NFS?
2.10.5 Can multiple processes write to the pipe simultaneously?
2.10.6 Using named pipes in applications

3. Terminal I/O
3.1 Нow can I make my program not echo input?
3.2 Нow can I read single characters from the terminal?
3.3 Нow can I check and see if a key was pressed?
3.4 Нow can I move the cursor around the screen?
3.5 What are pttys?
3.6 Нow to handle a serial port or modem?
3.6.1 Serial device names and types
3.6.2 Setting up termios flags
3.6.2.1 c_iflag
3.6.2.2 c_oflag
3.6.2.3 c_cflag
3.6.2.4 c_lflag
3.6.2.5 c_cc

4. System Information
4.1 Нow can I tell how much memory my system has?
4.2 Нow do I check a user's password?
4.2.1 Нow do I get a user's password?
4.2.2 Нow do I get shadow passwords by uid?
4.2.3 Нow do I verify a user's password?

5. Miscellaneous programming
5.1 Нow do I compare strings using wildcards?
5.1.1 Нow do I compare strings using filename patterns?
5.1.2 Нow do I compare strings using regular expressions?
5.2 What's the best way to send mail from a program?
5.2.1 The simple method: /bin/mail
5.2.2 Invoking the MTA directly: /usr/lib/sendmail
5.2.2.1 Supplying the envelope explicitly
5.2.2.2 Allowing sendmail to deduce the recipients

6. Use of tools
6.1 Нow can I debug the children after a fork?
6.2 Нow to build library from other libraries?
6.3 Нow to create shared libraries / dlls?
6.4 Can I replace objects in a shared library?
6.5 Нow can I generate a stack dump from within a running program?

--- ifmail v.2.15dev5.4

RU.UNIX.PROG FAQ poster написал(а) к All в Nov 15 11:17:17 по местному времени:

From: "RU.UNIX.PROG FAQ poster" <netch@segfault.kiev.ua>


Unix Programming FAQ
Question list only

Archive-Name: unix-faq/programmer/faq
Comp-unix-programmer-Archive-Name: faq
URL: http://www.faqs.org/faqs/unix-faq/programmer/faq/

1. Process Control
1.1 Creating new processes: fork()
1.1.1 What does fork() do?
1.1.2 What's the difference between fork() and vfork()?
1.1.3 Why use _exit rather than exit in the child branch of a fork?
1.2 Environment variables
1.2.1 Нow can I get/set an environment variable from a program?
1.2.2 Нow can I read the whole environment?
1.3 Нow can I sleep for less than a second?
1.4 Нow can I get a finer-grained version of alarm()?
1.5 Нow can a parent and child process communicate?
1.6 Нow do I get rid of zombie processes?
1.6.1 What is a zombie?
1.6.2 Нow do I prevent them from occuring?
1.7 Нow do I get my program to act like a daemon?
1.8 Нow can I look at process in the system like ps does?
1.9 Given a pid, how can I tell if it's a running program?
1.10 What's the return value of system/pclose/waitpid?
1.11 Нow do I find out about a process' memory usage?
1.12 Why do processes never decrease in size?
1.13 Нow do I change the name of my program (as seen by `ps')?
1.14 Нow can I find a process' executable file?
1.14.1 So where do I put my configuration files then?
1.15 Why doesn't my process get SIGНUP when its parent dies?
1.16 Нow can I kill all descendents of a process?

2. General File handling (including pipes and sockets)
2.1 Нow to manage multiple connections?
2.1.1 Нow do I use select()?
2.1.2 Нow do I use poll()?
2.1.3 Can I use SysV IPC at the same time as select or poll?
2.2 Нow can I tell when the other end of a connection shuts down?
2.3 Best way to read directories?
2.4 Нow can I find out if someone else has a file open?
2.5 Нow do I `lock' a file?
2.6 Нow do I find out if a file has been updated by another process?
2.7 Нow does the `du' utility work?
2.8 Нow do I find the size of a file?
2.9 Нow do I expand `~' in a filename like the shell does?
2.10 What can I do with named pipes (FIFOs)?
2.10.1 What is a named pipe?
2.10.2 Нow do I create a named pipe?
2.10.3 Нow do I use a named pipe?
2.10.4 Can I use a named pipe across NFS?
2.10.5 Can multiple processes write to the pipe simultaneously?
2.10.6 Using named pipes in applications

3. Terminal I/O
3.1 Нow can I make my program not echo input?
3.2 Нow can I read single characters from the terminal?
3.3 Нow can I check and see if a key was pressed?
3.4 Нow can I move the cursor around the screen?
3.5 What are pttys?
3.6 Нow to handle a serial port or modem?
3.6.1 Serial device names and types
3.6.2 Setting up termios flags
3.6.2.1 c_iflag
3.6.2.2 c_oflag
3.6.2.3 c_cflag
3.6.2.4 c_lflag
3.6.2.5 c_cc

4. System Information
4.1 Нow can I tell how much memory my system has?
4.2 Нow do I check a user's password?
4.2.1 Нow do I get a user's password?
4.2.2 Нow do I get shadow passwords by uid?
4.2.3 Нow do I verify a user's password?

5. Miscellaneous programming
5.1 Нow do I compare strings using wildcards?
5.1.1 Нow do I compare strings using filename patterns?
5.1.2 Нow do I compare strings using regular expressions?
5.2 What's the best way to send mail from a program?
5.2.1 The simple method: /bin/mail
5.2.2 Invoking the MTA directly: /usr/lib/sendmail
5.2.2.1 Supplying the envelope explicitly
5.2.2.2 Allowing sendmail to deduce the recipients

6. Use of tools
6.1 Нow can I debug the children after a fork?
6.2 Нow to build library from other libraries?
6.3 Нow to create shared libraries / dlls?
6.4 Can I replace objects in a shared library?
6.5 Нow can I generate a stack dump from within a running program?

--- ifmail v.2.15dev5.4

RU.UNIX.PROG FAQ poster написал(а) к All в Dec 15 11:16:51 по местному времени:

From: "RU.UNIX.PROG FAQ poster" <netch@segfault.kiev.ua>


Unix Programming FAQ
Question list only

Archive-Name: unix-faq/programmer/faq
Comp-unix-programmer-Archive-Name: faq
URL: http://www.faqs.org/faqs/unix-faq/programmer/faq/

1. Process Control
1.1 Creating new processes: fork()
1.1.1 What does fork() do?
1.1.2 What's the difference between fork() and vfork()?
1.1.3 Why use _exit rather than exit in the child branch of a fork?
1.2 Environment variables
1.2.1 Нow can I get/set an environment variable from a program?
1.2.2 Нow can I read the whole environment?
1.3 Нow can I sleep for less than a second?
1.4 Нow can I get a finer-grained version of alarm()?
1.5 Нow can a parent and child process communicate?
1.6 Нow do I get rid of zombie processes?
1.6.1 What is a zombie?
1.6.2 Нow do I prevent them from occuring?
1.7 Нow do I get my program to act like a daemon?
1.8 Нow can I look at process in the system like ps does?
1.9 Given a pid, how can I tell if it's a running program?
1.10 What's the return value of system/pclose/waitpid?
1.11 Нow do I find out about a process' memory usage?
1.12 Why do processes never decrease in size?
1.13 Нow do I change the name of my program (as seen by `ps')?
1.14 Нow can I find a process' executable file?
1.14.1 So where do I put my configuration files then?
1.15 Why doesn't my process get SIGНUP when its parent dies?
1.16 Нow can I kill all descendents of a process?

2. General File handling (including pipes and sockets)
2.1 Нow to manage multiple connections?
2.1.1 Нow do I use select()?
2.1.2 Нow do I use poll()?
2.1.3 Can I use SysV IPC at the same time as select or poll?
2.2 Нow can I tell when the other end of a connection shuts down?
2.3 Best way to read directories?
2.4 Нow can I find out if someone else has a file open?
2.5 Нow do I `lock' a file?
2.6 Нow do I find out if a file has been updated by another process?
2.7 Нow does the `du' utility work?
2.8 Нow do I find the size of a file?
2.9 Нow do I expand `~' in a filename like the shell does?
2.10 What can I do with named pipes (FIFOs)?
2.10.1 What is a named pipe?
2.10.2 Нow do I create a named pipe?
2.10.3 Нow do I use a named pipe?
2.10.4 Can I use a named pipe across NFS?
2.10.5 Can multiple processes write to the pipe simultaneously?
2.10.6 Using named pipes in applications

3. Terminal I/O
3.1 Нow can I make my program not echo input?
3.2 Нow can I read single characters from the terminal?
3.3 Нow can I check and see if a key was pressed?
3.4 Нow can I move the cursor around the screen?
3.5 What are pttys?
3.6 Нow to handle a serial port or modem?
3.6.1 Serial device names and types
3.6.2 Setting up termios flags
3.6.2.1 c_iflag
3.6.2.2 c_oflag
3.6.2.3 c_cflag
3.6.2.4 c_lflag
3.6.2.5 c_cc

4. System Information
4.1 Нow can I tell how much memory my system has?
4.2 Нow do I check a user's password?
4.2.1 Нow do I get a user's password?
4.2.2 Нow do I get shadow passwords by uid?
4.2.3 Нow do I verify a user's password?

5. Miscellaneous programming
5.1 Нow do I compare strings using wildcards?
5.1.1 Нow do I compare strings using filename patterns?
5.1.2 Нow do I compare strings using regular expressions?
5.2 What's the best way to send mail from a program?
5.2.1 The simple method: /bin/mail
5.2.2 Invoking the MTA directly: /usr/lib/sendmail
5.2.2.1 Supplying the envelope explicitly
5.2.2.2 Allowing sendmail to deduce the recipients

6. Use of tools
6.1 Нow can I debug the children after a fork?
6.2 Нow to build library from other libraries?
6.3 Нow to create shared libraries / dlls?
6.4 Can I replace objects in a shared library?
6.5 Нow can I generate a stack dump from within a running program?

--- ifmail v.2.15dev5.4

RU.UNIX.PROG FAQ poster написал(а) к All в Dec 15 11:16:49 по местному времени:

From: "RU.UNIX.PROG FAQ poster" <netch@segfault.kiev.ua>


Unix Programming FAQ
Question list only

Archive-Name: unix-faq/programmer/faq
Comp-unix-programmer-Archive-Name: faq
URL: http://www.faqs.org/faqs/unix-faq/programmer/faq/

1. Process Control
1.1 Creating new processes: fork()
1.1.1 What does fork() do?
1.1.2 What's the difference between fork() and vfork()?
1.1.3 Why use _exit rather than exit in the child branch of a fork?
1.2 Environment variables
1.2.1 Нow can I get/set an environment variable from a program?
1.2.2 Нow can I read the whole environment?
1.3 Нow can I sleep for less than a second?
1.4 Нow can I get a finer-grained version of alarm()?
1.5 Нow can a parent and child process communicate?
1.6 Нow do I get rid of zombie processes?
1.6.1 What is a zombie?
1.6.2 Нow do I prevent them from occuring?
1.7 Нow do I get my program to act like a daemon?
1.8 Нow can I look at process in the system like ps does?
1.9 Given a pid, how can I tell if it's a running program?
1.10 What's the return value of system/pclose/waitpid?
1.11 Нow do I find out about a process' memory usage?
1.12 Why do processes never decrease in size?
1.13 Нow do I change the name of my program (as seen by `ps')?
1.14 Нow can I find a process' executable file?
1.14.1 So where do I put my configuration files then?
1.15 Why doesn't my process get SIGНUP when its parent dies?
1.16 Нow can I kill all descendents of a process?

2. General File handling (including pipes and sockets)
2.1 Нow to manage multiple connections?
2.1.1 Нow do I use select()?
2.1.2 Нow do I use poll()?
2.1.3 Can I use SysV IPC at the same time as select or poll?
2.2 Нow can I tell when the other end of a connection shuts down?
2.3 Best way to read directories?
2.4 Нow can I find out if someone else has a file open?
2.5 Нow do I `lock' a file?
2.6 Нow do I find out if a file has been updated by another process?
2.7 Нow does the `du' utility work?
2.8 Нow do I find the size of a file?
2.9 Нow do I expand `~' in a filename like the shell does?
2.10 What can I do with named pipes (FIFOs)?
2.10.1 What is a named pipe?
2.10.2 Нow do I create a named pipe?
2.10.3 Нow do I use a named pipe?
2.10.4 Can I use a named pipe across NFS?
2.10.5 Can multiple processes write to the pipe simultaneously?
2.10.6 Using named pipes in applications

3. Terminal I/O
3.1 Нow can I make my program not echo input?
3.2 Нow can I read single characters from the terminal?
3.3 Нow can I check and see if a key was pressed?
3.4 Нow can I move the cursor around the screen?
3.5 What are pttys?
3.6 Нow to handle a serial port or modem?
3.6.1 Serial device names and types
3.6.2 Setting up termios flags
3.6.2.1 c_iflag
3.6.2.2 c_oflag
3.6.2.3 c_cflag
3.6.2.4 c_lflag
3.6.2.5 c_cc

4. System Information
4.1 Нow can I tell how much memory my system has?
4.2 Нow do I check a user's password?
4.2.1 Нow do I get a user's password?
4.2.2 Нow do I get shadow passwords by uid?
4.2.3 Нow do I verify a user's password?

5. Miscellaneous programming
5.1 Нow do I compare strings using wildcards?
5.1.1 Нow do I compare strings using filename patterns?
5.1.2 Нow do I compare strings using regular expressions?
5.2 What's the best way to send mail from a program?
5.2.1 The simple method: /bin/mail
5.2.2 Invoking the MTA directly: /usr/lib/sendmail
5.2.2.1 Supplying the envelope explicitly
5.2.2.2 Allowing sendmail to deduce the recipients

6. Use of tools
6.1 Нow can I debug the children after a fork?
6.2 Нow to build library from other libraries?
6.3 Нow to create shared libraries / dlls?
6.4 Can I replace objects in a shared library?
6.5 Нow can I generate a stack dump from within a running program?

--- ifmail v.2.15dev5.4

RU.UNIX.PROG FAQ poster написал(а) к All в Jan 16 11:16:56 по местному времени:

From: "RU.UNIX.PROG FAQ poster" <netch@segfault.kiev.ua>


Unix Programming FAQ
Question list only

Archive-Name: unix-faq/programmer/faq
Comp-unix-programmer-Archive-Name: faq
URL: http://www.faqs.org/faqs/unix-faq/programmer/faq/

1. Process Control
1.1 Creating new processes: fork()
1.1.1 What does fork() do?
1.1.2 What's the difference between fork() and vfork()?
1.1.3 Why use _exit rather than exit in the child branch of a fork?
1.2 Environment variables
1.2.1 Нow can I get/set an environment variable from a program?
1.2.2 Нow can I read the whole environment?
1.3 Нow can I sleep for less than a second?
1.4 Нow can I get a finer-grained version of alarm()?
1.5 Нow can a parent and child process communicate?
1.6 Нow do I get rid of zombie processes?
1.6.1 What is a zombie?
1.6.2 Нow do I prevent them from occuring?
1.7 Нow do I get my program to act like a daemon?
1.8 Нow can I look at process in the system like ps does?
1.9 Given a pid, how can I tell if it's a running program?
1.10 What's the return value of system/pclose/waitpid?
1.11 Нow do I find out about a process' memory usage?
1.12 Why do processes never decrease in size?
1.13 Нow do I change the name of my program (as seen by `ps')?
1.14 Нow can I find a process' executable file?
1.14.1 So where do I put my configuration files then?
1.15 Why doesn't my process get SIGНUP when its parent dies?
1.16 Нow can I kill all descendents of a process?

2. General File handling (including pipes and sockets)
2.1 Нow to manage multiple connections?
2.1.1 Нow do I use select()?
2.1.2 Нow do I use poll()?
2.1.3 Can I use SysV IPC at the same time as select or poll?
2.2 Нow can I tell when the other end of a connection shuts down?
2.3 Best way to read directories?
2.4 Нow can I find out if someone else has a file open?
2.5 Нow do I `lock' a file?
2.6 Нow do I find out if a file has been updated by another process?
2.7 Нow does the `du' utility work?
2.8 Нow do I find the size of a file?
2.9 Нow do I expand `~' in a filename like the shell does?
2.10 What can I do with named pipes (FIFOs)?
2.10.1 What is a named pipe?
2.10.2 Нow do I create a named pipe?
2.10.3 Нow do I use a named pipe?
2.10.4 Can I use a named pipe across NFS?
2.10.5 Can multiple processes write to the pipe simultaneously?
2.10.6 Using named pipes in applications

3. Terminal I/O
3.1 Нow can I make my program not echo input?
3.2 Нow can I read single characters from the terminal?
3.3 Нow can I check and see if a key was pressed?
3.4 Нow can I move the cursor around the screen?
3.5 What are pttys?
3.6 Нow to handle a serial port or modem?
3.6.1 Serial device names and types
3.6.2 Setting up termios flags
3.6.2.1 c_iflag
3.6.2.2 c_oflag
3.6.2.3 c_cflag
3.6.2.4 c_lflag
3.6.2.5 c_cc

4. System Information
4.1 Нow can I tell how much memory my system has?
4.2 Нow do I check a user's password?
4.2.1 Нow do I get a user's password?
4.2.2 Нow do I get shadow passwords by uid?
4.2.3 Нow do I verify a user's password?

5. Miscellaneous programming
5.1 Нow do I compare strings using wildcards?
5.1.1 Нow do I compare strings using filename patterns?
5.1.2 Нow do I compare strings using regular expressions?
5.2 What's the best way to send mail from a program?
5.2.1 The simple method: /bin/mail
5.2.2 Invoking the MTA directly: /usr/lib/sendmail
5.2.2.1 Supplying the envelope explicitly
5.2.2.2 Allowing sendmail to deduce the recipients

6. Use of tools
6.1 Нow can I debug the children after a fork?
6.2 Нow to build library from other libraries?
6.3 Нow to create shared libraries / dlls?
6.4 Can I replace objects in a shared library?
6.5 Нow can I generate a stack dump from within a running program?

--- ifmail v.2.15dev5.4

RU.UNIX.PROG FAQ poster написал(а) к All в Feb 16 11:16:55 по местному времени:

From: "RU.UNIX.PROG FAQ poster" <netch@segfault.kiev.ua>


Unix Programming FAQ
Question list only

Archive-Name: unix-faq/programmer/faq
Comp-unix-programmer-Archive-Name: faq
URL: http://www.faqs.org/faqs/unix-faq/programmer/faq/

1. Process Control
1.1 Creating new processes: fork()
1.1.1 What does fork() do?
1.1.2 What's the difference between fork() and vfork()?
1.1.3 Why use _exit rather than exit in the child branch of a fork?
1.2 Environment variables
1.2.1 Нow can I get/set an environment variable from a program?
1.2.2 Нow can I read the whole environment?
1.3 Нow can I sleep for less than a second?
1.4 Нow can I get a finer-grained version of alarm()?
1.5 Нow can a parent and child process communicate?
1.6 Нow do I get rid of zombie processes?
1.6.1 What is a zombie?
1.6.2 Нow do I prevent them from occuring?
1.7 Нow do I get my program to act like a daemon?
1.8 Нow can I look at process in the system like ps does?
1.9 Given a pid, how can I tell if it's a running program?
1.10 What's the return value of system/pclose/waitpid?
1.11 Нow do I find out about a process' memory usage?
1.12 Why do processes never decrease in size?
1.13 Нow do I change the name of my program (as seen by `ps')?
1.14 Нow can I find a process' executable file?
1.14.1 So where do I put my configuration files then?
1.15 Why doesn't my process get SIGНUP when its parent dies?
1.16 Нow can I kill all descendents of a process?

2. General File handling (including pipes and sockets)
2.1 Нow to manage multiple connections?
2.1.1 Нow do I use select()?
2.1.2 Нow do I use poll()?
2.1.3 Can I use SysV IPC at the same time as select or poll?
2.2 Нow can I tell when the other end of a connection shuts down?
2.3 Best way to read directories?
2.4 Нow can I find out if someone else has a file open?
2.5 Нow do I `lock' a file?
2.6 Нow do I find out if a file has been updated by another process?
2.7 Нow does the `du' utility work?
2.8 Нow do I find the size of a file?
2.9 Нow do I expand `~' in a filename like the shell does?
2.10 What can I do with named pipes (FIFOs)?
2.10.1 What is a named pipe?
2.10.2 Нow do I create a named pipe?
2.10.3 Нow do I use a named pipe?
2.10.4 Can I use a named pipe across NFS?
2.10.5 Can multiple processes write to the pipe simultaneously?
2.10.6 Using named pipes in applications

3. Terminal I/O
3.1 Нow can I make my program not echo input?
3.2 Нow can I read single characters from the terminal?
3.3 Нow can I check and see if a key was pressed?
3.4 Нow can I move the cursor around the screen?
3.5 What are pttys?
3.6 Нow to handle a serial port or modem?
3.6.1 Serial device names and types
3.6.2 Setting up termios flags
3.6.2.1 c_iflag
3.6.2.2 c_oflag
3.6.2.3 c_cflag
3.6.2.4 c_lflag
3.6.2.5 c_cc

4. System Information
4.1 Нow can I tell how much memory my system has?
4.2 Нow do I check a user's password?
4.2.1 Нow do I get a user's password?
4.2.2 Нow do I get shadow passwords by uid?
4.2.3 Нow do I verify a user's password?

5. Miscellaneous programming
5.1 Нow do I compare strings using wildcards?
5.1.1 Нow do I compare strings using filename patterns?
5.1.2 Нow do I compare strings using regular expressions?
5.2 What's the best way to send mail from a program?
5.2.1 The simple method: /bin/mail
5.2.2 Invoking the MTA directly: /usr/lib/sendmail
5.2.2.1 Supplying the envelope explicitly
5.2.2.2 Allowing sendmail to deduce the recipients

6. Use of tools
6.1 Нow can I debug the children after a fork?
6.2 Нow to build library from other libraries?
6.3 Нow to create shared libraries / dlls?
6.4 Can I replace objects in a shared library?
6.5 Нow can I generate a stack dump from within a running program?

--- ifmail v.2.15dev5.4