diff --git a/Userland/Libraries/LibC/stdio.cpp b/Userland/Libraries/LibC/stdio.cpp
index 4546a533c6..a146ffba4d 100644
--- a/Userland/Libraries/LibC/stdio.cpp
+++ b/Userland/Libraries/LibC/stdio.cpp
@@ -907,6 +907,23 @@ int fprintf(FILE* stream, char const* fmt, ...)
     return ret;
 }
 
+// https://pubs.opengroup.org/onlinepubs/9699919799/functions/vdprintf.html
+int vdprintf(int fd, char const* fmt, va_list ap)
+{
+    // FIXME: Implement buffering so that we don't issue one write syscall for every character.
+    return printf_internal([fd](auto, char ch) { write(fd, &ch, 1); }, nullptr, fmt, ap);
+}
+
+// https://pubs.opengroup.org/onlinepubs/9699919799/functions/dprintf.html
+int dprintf(int fd, char const* fmt, ...)
+{
+    va_list ap;
+    va_start(ap, fmt);
+    int ret = vdprintf(fd, fmt, ap);
+    va_end(ap);
+    return ret;
+}
+
 // https://pubs.opengroup.org/onlinepubs/9699919799/functions/vprintf.html
 int vprintf(char const* fmt, va_list ap)
 {
diff --git a/Userland/Libraries/LibC/stdio.h b/Userland/Libraries/LibC/stdio.h
index 97c58799dd..df01c1f742 100644
--- a/Userland/Libraries/LibC/stdio.h
+++ b/Userland/Libraries/LibC/stdio.h
@@ -79,6 +79,8 @@ int vfprintf(FILE*, char const* fmt, va_list) __attribute__((format(printf, 2, 0
 int vasprintf(char** strp, char const* fmt, va_list) __attribute__((format(printf, 2, 0)));
 int vsprintf(char* buffer, char const* fmt, va_list) __attribute__((format(printf, 2, 0)));
 int vsnprintf(char* buffer, size_t, char const* fmt, va_list) __attribute__((format(printf, 3, 0)));
+int vdprintf(int, char const* fmt, va_list) __attribute__((format(printf, 2, 0)));
+int dprintf(int, char const* fmt, ...) __attribute__((format(printf, 2, 3)));
 int fprintf(FILE*, char const* fmt, ...) __attribute__((format(printf, 2, 3)));
 int printf(char const* fmt, ...) __attribute__((format(printf, 1, 2)));
 void dbgputstr(char const*, size_t);