get a single-byte character from the terminal
cc [options] file -lcurses
int mvgetch(int y, int x);
int mvwgetch(WINDOW *win, int y, int x);
int wgetch(WINDOW *win);
These functions read a single-byte character from the terminal associated with
the current or specified window.
is enabled, these functions respond to the pressing of a function key by
returning the corresponding KEY_ value defined in
Processing of terminal input is subject to the general rules described in
If the current or specified window is not a pad, and it has been moved or
modified since the last refresh operation, then it will be refreshed before
another character is read.
Upon successful completion
return the single-byte character, KEY_ value, or ERR.
When in the nodelay mode and no data is available, ERR is returned.
No errors are defined.
Applications should not define the escape key by itself as a single-character
When using these functions,
mode should not be used at the same time.
Depending on the state of the terminal
when each character is typed, the program may produce undesirable results.
The Single UNIX Specification, Version 2; The Open Group.
© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 25 April 2004