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download PDF document: curs_insstr.3x.pdf

curs_insstr(3X) Library calls curs_insstr(3X)
NAME insstr, insnstr, winsstr, winsnstr, mvinsstr, mvinsnstr, mvwinsstr, mvwinsnstr - insert a string in a curses window
SYNOPSIS #include <curses.h> int insstr(const char *str); int insnstr(const char *str, int n); int winsstr(WINDOW *win, const char *str); int winsnstr(WINDOW *win, const char *str, int n);
int mvinsstr(int y, int x, const char *str); int mvinsnstr(int y, int x, const char *str, int n); int mvwinsstr(WINDOW *win, int y, int x, const char *str); int mvwinsnstr(WINDOW *win, int y, int x, const char *str, int n);
DESCRIPTION These routines insert a character string (as many characters as will fit on the line) before the character under the cursor, as if calling winsch(3X). All characters to the right of the cursor are shifted right, with the possibility of the rightmost characters on the line being lost. No wrapping is performed.
The cursor position does not change (after moving to y, x, if specified).
The functions with n as the last argument insert a leading substring of at most n characters. If n is less than zero, the entire string is inserted (stopping on a NUL character).
Special characters are handled as in waddch(3X).
RETURN VALUE All functions return the integer ERR upon failure and OK on success.
X/Open Curses does not specify any error conditions. This implementation returns an error
o if the win parameter is null or
o if the str parameter is null or
o the winsch(3X) function returns an error.
Functions prefixed with "mv" first perform cursor movement and fail if the position (y, x) is outside the window boundaries.
NOTES All but winsnstr may be macros.
PORTABILITY These functions are described in X/Open Curses, Issue 4, which adds const qualifiers to the arguments.
The Single Unix Specification, Version 2 states that insnstr and winsnstr perform wrapping. This is probably an error, since it makes this group of functions inconsistent. Also, no implementation of
SEE ALSO curses(3X), curs_inch(3X), curs_ins_wstr(3X), curs_util(3X)
ncurses 6.5 2024-04-20 curs_insstr(3X)