#include <u.h>#include <libc.h>#include <libg.h>#include <frame.h>#include "dat.h"#include "fns.h" voidtextdraw(Text *t){	int g; 	frinit(t, t->r, font, &screen);	g = t->outline;	t->outline = 0;	frinsert(t, t->s+t->org, t->s+t->n, 0);	highlight(t);	setoutline(t, g);} voidtextinsert(Text *t, Rune *s, ulong q0, int full, int sel){	long p0;	ulong n; 	if(sel)		newsel(t);	n = rstrlen(s);	Strinsert(t, s, n, q0);	p0 = q0-t->org;	if(p0 < 0)		t->org += n;	else if(p0 <= t->nchars)		frinsert(t, s, s+n, p0);	t->q0 = q0;	if(!full)		t->q0 += n;	t->q1 = q0+n;	highlight(t);} Rune*rstrchr(Rune *s, Rune c){	Rune c1; 	if(c == 0) {		while(*s++)			;		return s-1;	} 	while(c1 = *s++)		if(c1 == c)			return s-1;	return 0;} intrstrncmp(Rune *s1, Rune *s2, int n){ 	while(--n >= 0 && *s1 == *s2++)		if(*s1++ == 0)			return 0;	if(n < 0)		return 0;	return *s1 - *(s2-1);} intrstrlen(Rune *s){	int i; 	i = 0;	while(*s++)		i++;	return i;} Rune*tmprstr(char *s){	int j, w;	Rune *r; 	r = emalloc((utflen(s)+1)*sizeof(Rune));	for(j=0; *s; s+=w, j++)		w = chartorune(r+j, s);	r[j] = 0;	return r;}   char*cstr(Rune *r, long n){	int i, w;	char *c, *d; 	w = 0;	for(i=0; i<n; i++)		w += runelen(r[i]);	c = emalloc(w+1);	d = c;	for(i=0; i<n; i++)		d += runetochar(d, r+i);	*d = 0;	return c;}