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Linux and UNIX Man Pages

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RedHat 9 (Linux i386) - man page for getcchar (redhat section 3x)

curs_getcchar(3X)														 curs_getcchar(3X)

NAME
getcchar, setcchar - Get a wide character string and rendition from a cchar_t or set a cchar_t from a wide-character string
SYNOPSIS
#include <curses.h> int getcchar( const cchar_t *wcval, wchar_t *wch, attr_t *attrs, short *color_pair, void *opts ); int setcchar( cchar_t *wcval, const wchar_t *wch, const attr_t attrs, short color_pair, void *opts );
DESCRIPTION
The getcchar function gets a wide-character string and rendition from a cchar_t argument. When wch is not a null pointer, the getcchar function does the following: - Extracts information from a cchar_t value wcval - Stores the character attributes in the location pointed to by attrs - Stores the color-pair in the location pointed to by color_pair - Stores the wide-character string, characters referenced by wcval, into the array pointed to by wch. When wch is a null pointer, the getcchar function does the following: - Obtains the number of wide characters pointed to by wcval - Does not change the data referenced by attrs or color_pair The setcchar function initializes the location pointed to by wcval by using: - The character attributes in attrs - The color pair in color_pair - The wide-character string pointed to by wch. The string must be L'\0' terminated, contain at most one character with strictly posi- tive width, which must be the first, and contain no characters of negative width.
NOTES
The opts argument is reserved for future use. Currently, an application must provide a null pointer as opts. The wcval argument may be a value generated by a call to setcchar or by a function that has a cchar_t output argument. If wcval is con- structed by any other means, the effect is unspecified.
RETURN VALUES
When wch is a null pointer, getcchar returns the number of wide characters referenced by wcval, including the null terminator. When wch is not a null pointer, getcchar returns OK upon successful completion, and ERR otherwise. Upon successful completion, setcchar returns OK. Otherwise, it returns ERR.
SEE ALSO
Functions: curses(3X), wcwidth(3X), curs_attr_get(3X), can_change_color(3X). curs_getcchar(3X)

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