Significance of ':-' while accessing a variable Post: 302758593

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ncurses_color_content

NCURSES_COLOR_CONTENT(3)						 1						  NCURSES_COLOR_CONTENT(3)

ncurses_color_content - Retrieves RGB components of a color

SYNOPSIS

       int ncurses_color_content (int  $color, int  &$r, int  &$g, int	&$b)

DESCRIPTION

	Retrieves  the	red,  green,  and  blue  components  for  the given color definition. Terminal color capabilities must be initialized with
       ncurses_start_color(3) prior to calling this function.

PARAMETERS

	      o $color
		- The number of the color to retrieve information for. May be one of the pre-defined color constants.

	      o $r
		- A reference to which to return the red component of the color. The value returned to the reference will be between 0 and 1000.

	      o $g
		- A reference to which to return the green component of the color. The value returned to the reference will be between 0 and 1000.

	      o $b
		- A reference to which to return the blue component of the color. The value returned to the reference will be between 0 and 1000.

RETURN VALUES

	Returns -1 if the function was successful, and 0 if ncurses or terminal color capabilities have not been initialized.

SEE ALSO

       ncurses_init_color(3), ncurses_start_color(3).

PHP Documentation Group 												  NCURSES_COLOR_CONTENT(3)

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