1 #include <u.h>
2 #include <libc.h>
3 #include <bio.h>
4 #include <libsec.h>
5 
6 #include "iso9660.h"
7 
8 Rune*
9 strtorune(Rune *r, char *s)
10 {
11 	Rune *or;
12 
13 	if(s == nil)
14 		return nil;
15 
16 	or = r;
17 	while(*s)
18 		s += chartorune(r++, s);
19 	*r = L'\0';
20 	return or;
21 }
22 
23 Rune*
24 runechr(Rune *s, Rune c)
25 {
26 	for(; *s; s++)
27 		if(*s == c)
28 			return s;
29 	return nil;
30 }
31 
32 int
33 runecmp(Rune *s, Rune *t)
34 {
35 	while(*s && *t && *s == *t)
36 		s++, t++;
37 	return *s - *t;
38 }