diff -r 38b051dea6b1 -r db8299984bfe src/string.c
--- a/src/string.c	Mon Dec 22 15:28:07 2025 +0100
+++ b/src/string.c	Mon Dec 22 15:47:59 2025 +0100
@@ -326,7 +326,7 @@
     return (cxmutstr) {(char *) result.ptr, result.length};
 }
 
-size_t cx_strsplit(
+size_t cx_strsplit_(
         cxstring string,
         cxstring delim,
         size_t limit,
@@ -384,7 +384,7 @@
     return n;
 }
 
-size_t cx_strsplit_a(
+size_t cx_strsplit_a_(
         const CxAllocator *allocator,
         cxstring string,
         cxstring delim,
@@ -413,27 +413,27 @@
         }
     }
     *output = cxCalloc(allocator, n, sizeof(cxstring));
-    return cx_strsplit(string, delim, n, *output);
+    return cx_strsplit_(string, delim, n, *output);
 }
 
-size_t cx_strsplit_m(
+size_t cx_strsplit_m_(
         cxmutstr string,
         cxstring delim,
         size_t limit,
         cxmutstr *output
 ) {
-    return cx_strsplit(cx_strcast(string),
+    return cx_strsplit_(cx_strcast(string),
                        delim, limit, (cxstring *) output);
 }
 
-size_t cx_strsplit_ma(
+size_t cx_strsplit_ma_(
         const CxAllocator *allocator,
         cxmutstr string,
         cxstring delim,
         size_t limit,
         cxmutstr **output
 ) {
-    return cx_strsplit_a(allocator, cx_strcast(string),
+    return cx_strsplit_a_(allocator, cx_strcast(string),
                          delim, limit, (cxstring **) output);
 }