diff --git a/libc/config/linux/riscv64/entrypoints.txt b/libc/config/linux/riscv64/entrypoints.txt
--- a/libc/config/linux/riscv64/entrypoints.txt
+++ b/libc/config/linux/riscv64/entrypoints.txt
@@ -114,6 +114,8 @@
     libc.src.stdio.remove
     libc.src.stdio.sprintf
     libc.src.stdio.snprintf
+    libc.src.stdio.fprintf
+    libc.src.stdio.printf
 
     # sys/mman.h entrypoints
     libc.src.sys.mman.madvise
@@ -196,6 +198,9 @@
     libc.src.unistd.unlink
     libc.src.unistd.unlinkat
     libc.src.unistd.write
+
+    # wchar.h entrypoints
+    libc.src.wchar.wctob
 )
 
 set(TARGET_LIBM_ENTRYPOINTS
@@ -271,6 +276,7 @@
     libc.src.math.llround
     libc.src.math.llroundf
     libc.src.math.llroundl
+    libc.src.math.log10
     libc.src.math.log10f
     libc.src.math.log1pf
     libc.src.math.log2f
@@ -408,10 +414,8 @@
     libc.src.stdio.funlockfile
     libc.src.stdio.fwrite
     libc.src.stdio.fwrite_unlocked
-    libc.src.stdio.fprintf
     libc.src.stdio.getc
     libc.src.stdio.getc_unlocked
-    libc.src.stdio.printf
     libc.src.stdio.sscanf
     libc.src.stdio.scanf
     libc.src.stdio.fscanf
diff --git a/libc/config/linux/riscv64/headers.txt b/libc/config/linux/riscv64/headers.txt
--- a/libc/config/linux/riscv64/headers.txt
+++ b/libc/config/linux/riscv64/headers.txt
@@ -20,6 +20,7 @@
     libc.include.threads
     libc.include.time
     libc.include.unistd
+    libc.include.wchar
 
     libc.include.arpa_inet