(PHP 4 >= 4.0.7, PHP 5, PECL ncurses >= 1.0.0)
ncurses_delch — Delete character at current position, move rest of line left
本函数是实验性的。本函数的行为，包括函数名称以及其它任何关于本函数的文档可能会在没有通知的情况下随 PHP 以后的发布而改变。使用本函数风险自担。
Deletes the character under the cursor. All characters to the right of the cursor on the same line are moved to the left one position and the last character on the line is filled with a blank. The cursor position does not change.
Returns FALSE on success, TRUE otherwise.