4 files changed, 7 insertions, 9 deletions
diff --git a/lib/mbstring/rtou8.c b/lib/mbstring/rtou8.c
index 0ddac89..c11e89c 100644
--- a/lib/mbstring/rtou8.c
+++ b/lib/mbstring/rtou8.c
@@ -4,7 +4,7 @@
 #include "rune.h"
 
 int
-rtou8(char8_t *s, rune ch, size_t n)
+rtou8(char8_t *s, size_t n, rune ch)
 {
 	if (ch <= U8_1B_MAX) {
 		if (n >= 1)
@@ -33,5 +33,5 @@ rtou8(char8_t *s, rune ch, size_t n)
 		return 4;
 	}
 
-	return rtou8(s, RUNE_ERROR, n);
+	return rtou8(s, n, RUNE_ERROR);
 }
diff --git a/lib/mbstring/u8chr.c b/lib/mbstring/u8chr.c
index b7df221..2ce4e11 100644
--- a/lib/mbstring/u8chr.c
+++ b/lib/mbstring/u8chr.c
@@ -75,10 +75,10 @@ memmem4(const char8_t *h, size_t k, const char8_t *n)
 }
 
 char8_t *
-u8chr(const char8_t *s, rune ch, size_t n)
+u8chr(const char8_t *s, size_t n, rune ch)
 {
 	char8_t buf[U8_LEN_MAX];
-	int m = rtou8(buf, ch, sizeof(buf));
+	int m = rtou8(buf, sizeof(buf), ch);
 
 	if (n < (size_t)m)
 		return nullptr;
diff --git a/lib/mbstring/u8cmp.c b/lib/mbstring/u8cmp.c
index 732896c..8bd2400 100644
--- a/lib/mbstring/u8cmp.c
+++ b/lib/mbstring/u8cmp.c
@@ -3,9 +3,7 @@
 #include "mbstring.h"
 
 int
-u8cmp(struct u8view x, struct u8view y)
+u8cmp(const char8_t *x, size_t n, const char8_t *y, size_t m)
 {
-	if (x.len != y.len)
-		return x.len > y.len ? +1 : -1;
-	return memcmp(x.p, y.p, x.len);
+	return n != m ? (n > m ? +1 : -1) : memcmp(x, y, n);
 }
diff --git a/lib/mbstring/u8rchr.c b/lib/mbstring/u8rchr.c
index 1ffe445..df6be06 100644
--- a/lib/mbstring/u8rchr.c
+++ b/lib/mbstring/u8rchr.c
@@ -65,7 +65,7 @@ memrchr4(const char8_t *h, size_t k, const char8_t *n)
 }
 
 char8_t *
-u8rchr(const char8_t *s, rune ch, size_t n)
+u8rchr(const char8_t *s, size_t n, rune ch)
 {
 	char8_t buf[U8_LEN_MAX];
 	int m = rtou8(buf, ch, sizeof(buf));