- <STRONG>putchar</STRONG> in <STRONG><A HREF="stdio.3.html">stdio(3)</A></STRONG>. If the advance is at the right mar-
- gin, the cursor automatically wraps to the beginning of
- the next line. At the bottom of the current scrolling
- region, if <STRONG>scrollok</STRONG> is enabled, the scrolling region is
- scrolled up one line.
-
- If <EM>ch</EM> is a tab, newline, or backspace, the cursor is moved
- appropriately within the window. Backspace moves the cur-
- sor one character left; at the left edge of a window it
- does nothing. Newline does a <STRONG>clrtoeol</STRONG>, then moves the
- cursor to the window left margin on the next line,
- scrolling the window if on the last line). Tabs are con-
- sidered to be at every eighth column. The tab interval
- may be altered by setting the <STRONG>TABSIZE</STRONG> variable.
-
- If <EM>ch</EM> is any control character other than tab, newline, or
- backspace, it is drawn in <STRONG>^</STRONG><EM>X</EM> notation. Calling <STRONG>winch</STRONG>
- after adding a control character does not return the char-
- acter itself, but instead returns the ^-representation of
- the control character.
+ <STRONG>putchar</STRONG> in <STRONG>stdio(3)</STRONG>. If the advance is at the right mar-
+ gin:
+
+ <STRONG>o</STRONG> The cursor automatically wraps to the beginning of the
+ next line.
+
+ <STRONG>o</STRONG> At the bottom of the current scrolling region, and if
+ <STRONG>scrollok</STRONG> is enabled, the scrolling region is scrolled
+ up one line.
+
+ <STRONG>o</STRONG> If <STRONG>scrollok</STRONG> is not enabled, writing a character at the
+ lower right margin succeeds. However, an error is
+ returned because it is not possible to wrap to a new
+ line
+
+ If <EM>ch</EM> is a tab, newline, carriage return or backspace, the
+ cursor is moved appropriately within the window:
+
+ <STRONG>o</STRONG> Backspace moves the cursor one character left; at the
+ left edge of a window it does nothing.
+
+ <STRONG>o</STRONG> Carriage return moves the cursor to the window left
+ margin on the current line.
+
+ <STRONG>o</STRONG> Newline does a <STRONG>clrtoeol</STRONG>, then moves the cursor to the
+ window left margin on the next line, scrolling the
+ window if on the last line.
+
+ <STRONG>o</STRONG> Tabs are considered to be at every eighth column. The
+ tab interval may be altered by setting the <STRONG>TABSIZE</STRONG>
+ variable.
+
+ If <EM>ch</EM> is any other control character, it is drawn in <STRONG>^</STRONG><EM>X</EM>
+ notation. Calling <STRONG>winch</STRONG> after adding a control character
+ does not return the character itself, but instead returns
+ the ^-representation of the control character.