diff -r 6ac92936cd44 -r 494d9b20b99e src/printf.c
--- a/src/printf.c	Fri Apr 21 20:17:09 2023 +0200
+++ b/src/printf.c	Fri Apr 21 20:28:55 2023 +0200
@@ -80,7 +80,7 @@
 }
 
 cxmutstr cx_asprintf_a(
-        CxAllocator *allocator,
+        CxAllocator const *allocator,
         char const *fmt,
         ...
 ) {
@@ -93,7 +93,7 @@
 }
 
 cxmutstr cx_vasprintf_a(
-        CxAllocator *a,
+        CxAllocator const *a,
         char const *fmt,
         va_list ap
 ) {