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Full Discussion: How I can explain this?
Top Forums UNIX for Dummies Questions & Answers How I can explain this? Post 302752313 by Yoda on Sunday 6th of January 2013 06:46:11 PM
Old 01-06-2013
Code:
[num] got: [num], [num]

  1. [num] is the Parent PID
  2. [num] is the Child PID
  3. [num] is the result of modulo operation performed below:
Code:
sprintf(buf, "[%d],[%d]\n", a, a % b);

Then result is printed:
Code:
printf("[%d] got: %s\n", (int) getpid(), buf);

 

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scrl(3XCURSES)						  X/Open Curses Library Functions					    scrl(3XCURSES)

NAME
scrl, scroll, wscrl - scroll a window SYNOPSIS
cc [ flag... ] file... -I /usr/xpg4/include -L /usr/xpg4/lib -R /usr/xpg4/lib -lcurses [ library... ] c89 [ flag... ] file... -lcurses [ library... ] #include <curses.h> int scrl(int n); int scroll(WINDOW *win); int wscrl(WINDOW *win, int n); PARAMETERS
n number and direction of lines to scroll win pointer to the window in which to scroll DESCRIPTION
The scroll() function scrolls the window win up one line. The current cursor position is not changed. The scrl() and wscrl() functions scroll the window stdscr or win up or down n lines, where n is a positive (scroll up) or negative (scroll down) integer. The scrollok(3XCURSES) function must be enabled for these functions to work. RETURN VALUES
On success, these functions return OK. Otherwise, they return ERR. ERRORS
None. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Standard | +-----------------------------+-----------------------------+ |MT-Level |Unsafe | +-----------------------------+-----------------------------+ SEE ALSO
clearok(3XCURSES), libcurses(3XCURSES), attributes(5), standards(5) SunOS 5.10 5 Jun 2002 scrl(3XCURSES)
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