int attroff(int attrs);
int wattroff(WINDOW *win, int attrs);
int attron(int attrs);
int wattron(WINDOW *win, int attrs);
int attrset(int attrs);
int wattrset(WINDOW *win, int attrs);
int wstandend(WINDOW *win);
int wstandout(WINDOW *win);
attr_t wattr_get(WINDOW *);
int attr_off(attr_t attrs);
int wattr_off(WINDOW *, attr_t attrs);
int attr_on(attr_t attrs);
int wattr_on(WINDOW *, attr_t attrs);
int attr_set(attr_t attrs);
int wattr_set(WINDOW *, attr_t attrs);
int chgat(int n, attr_t attr, short color, const void *opts);
int wchgat(WINDOW *, int n, attr_t attr, short color, const void *opts);
int mvchgat(int y, int x, int n, attr_t attr, short color, const void *opts);
int mvwchgat(WINDOW *, int y, int x, int n, attr_t attr, short color, const void *opts);
These routines manipulate the current attributes of the
named window. The current attributes of a window apply to
all characters that are written into the window with
The following video attributes, defined in <curses.h>, can
be passed to the routines
A_NORMAL Normal display (no highlight) A_STANDOUT Best highlighting mode of the terminal A_UNDERLINE Underlining A_REVERSE Reverse video A_BLINK Blinking A_DIM Half bright A_BOLD Extra bright or bold A_PROTECT Protected mode A_INVIS Invisible or blank mode A_ALTCHARSET Alternate character set A_CHARTEXT Bit-mask to extract a character COLOR_PAIR(n) Color-pair number n
The following macro is the reverse of COLOR_PAIR(n):
The return values of many of these routines are not meaningful (they are implemented as macro-expanded assignments and simply return their argument). The SVr4 manual page claims (falsely) that these routines always return 1.
All these functions are supported in the XSI Curses standard, Issue 4. The standard defined the dedicated type for highlights, attr_t, which is not defined in SVr4 curses. The chars taking attr_t arguments are not supported under SVr4.
The XSI Curses standard states that whether the traditional functions
XSI Curses added the new entry points,
WA_NORMAL Normal display (no highlight) WA_STANDOUT Best highlighting mode of the terminal WA_UNDERLINE Underlining WA_REVERSE Reverse video WA_BLINK Blinking WA_DIM Half bright WA_BOLD Extra bright or bold WA_ALTCHARSET Alternate character set
The XSI curses standard specifies that each pair of corresponding A_ and WA_-using functions operates on the same current-highlight information.
The XSI standard extended conformance level adds new highlights A_HORIZONTAL, A_LEFT, A_LOW, A_RIGHT, A_TOP, A_VERTICAL (and corresponding WA_ macros for each) which this curses does not yet support.
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