#include <u.h>#include <libc.h>#include <draw.h>#include <thread.h>#include <mouse.h>#include <keyboard.h> extern int genenter(char *ask, char *buf, int len, Mouse *m, void *c, int (*_input)(Mouse*, void*, Rune*), Screen *scr); static int_input(Mouse *m, void *c, Rune *k){	Alt a[3] = {		{((Mousectl*)m)->c, m, CHANRCV},		{(Channel*)c, k, CHANRCV},		{nil, nil, CHANEND},	};	return alt(a);} intenter(char *ask, char *buf, int len, Mousectl *mc, Keyboardctl *kc, Screen *scr){	while(nbrecv(kc->c, nil) == 1)		;	return genenter(ask, buf, len, mc, kc->c, _input, scr);}