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
@@ -405,6 +405,8 @@
     libc.src.stdio.fprintf
     libc.src.stdio.getc
     libc.src.stdio.getc_unlocked
+    libc.src.stdio.getchar
+    libc.src.stdio.getchar_unlocked
     libc.src.stdio.printf
     libc.src.stdio.sscanf
     libc.src.stdio.scanf
diff --git a/libc/config/linux/x86_64/entrypoints.txt b/libc/config/linux/x86_64/entrypoints.txt
--- a/libc/config/linux/x86_64/entrypoints.txt
+++ b/libc/config/linux/x86_64/entrypoints.txt
@@ -419,6 +419,8 @@
     libc.src.stdio.fwrite_unlocked
     libc.src.stdio.getc
     libc.src.stdio.getc_unlocked
+    libc.src.stdio.getchar
+    libc.src.stdio.getchar_unlocked
     libc.src.stdio.sscanf
     libc.src.stdio.scanf
     libc.src.stdio.fscanf
diff --git a/libc/docs/stdio.rst b/libc/docs/stdio.rst
--- a/libc/docs/stdio.rst
+++ b/libc/docs/stdio.rst
@@ -83,7 +83,7 @@
 =============  =========
 (f)getc        |check|
 fgets          |check|
-getchar
+getchar        |check|
 fread          |check|
 (f)putc        |check|
 (f)puts        |check|
diff --git a/libc/spec/posix.td b/libc/spec/posix.td
--- a/libc/spec/posix.td
+++ b/libc/spec/posix.td
@@ -1058,6 +1058,11 @@
               RetValSpec<IntType>,
               [ArgSpec<FILEPtr>]
           >,
+          FunctionSpec<
+              "getchar_unlocked",
+              RetValSpec<IntType>,
+              [ArgSpec<>]
+          >,
       ]
   >;
 
diff --git a/libc/spec/stdc.td b/libc/spec/stdc.td
--- a/libc/spec/stdc.td
+++ b/libc/spec/stdc.td
@@ -580,6 +580,11 @@
               RetValSpec<IntType>,
               [ArgSpec<FILEPtr>]
           >,
+          FunctionSpec<
+              "getchar",
+              RetValSpec<IntType>,
+              [ArgSpec<>]
+          >,
           FunctionSpec<
               "putc",
               RetValSpec<IntType>,
diff --git a/libc/src/stdio/CMakeLists.txt b/libc/src/stdio/CMakeLists.txt
--- a/libc/src/stdio/CMakeLists.txt
+++ b/libc/src/stdio/CMakeLists.txt
@@ -154,6 +154,30 @@
     libc.src.__support.File.platform_file
 )
 
+add_entrypoint_object(
+  getchar
+  SRCS
+    getchar.cpp
+  HDRS
+    getchar.h
+  DEPENDS
+    libc.src.getc
+    libc.src.__support.File.file
+    libc.src.__support.File.platform_file
+)
+
+add_entrypoint_object(
+  getchar_unlocked
+  SRCS
+    getc_unlocked.cpp
+  HDRS
+    getc_unlocked.h
+  DEPENDS
+    libc.src.getc_unlocked
+    libc.src.__support.File.file
+    libc.src.__support.File.platform_file
+)
+
 add_entrypoint_object(
   fgets
   SRCS
diff --git a/libc/src/stdio/getchar.h b/libc/src/stdio/getchar.h
new file mode 100644
--- /dev/null
+++ b/libc/src/stdio/getchar.h
@@ -0,0 +1,18 @@
+//===-- Implementation header of getchar ------------------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_STDIO_GETCHAR_H
+#define LLVM_LIBC_SRC_STDIO_GETCHAR_H
+
+namespace __llvm_libc {
+
+int getchar();
+
+} // namespace __llvm_libc
+
+#endif // LLVM_LIBC_SRC_STDIO_GETCHAR_H
diff --git a/libc/src/stdio/getchar.cpp b/libc/src/stdio/getchar.cpp
new file mode 100644
--- /dev/null
+++ b/libc/src/stdio/getchar.cpp
@@ -0,0 +1,20 @@
+//===-- Implementation of getchar -----------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/stdio/getchar.h"
+#include "src/__support/File/file.h"
+
+#include "src/stdio/getc.h"
+
+namespace __llvm_libc {
+
+LIBC_INLINE LLVM_LIBC_FUNCTION(int, getchar, ()) {
+  return __llvm_libc::getc(reinterpret_cast<::FILE *>(stdin));
+}
+
+} // namespace __llvm_libc
diff --git a/libc/src/stdio/getchar_unlocked.h b/libc/src/stdio/getchar_unlocked.h
new file mode 100644
--- /dev/null
+++ b/libc/src/stdio/getchar_unlocked.h
@@ -0,0 +1,18 @@
+//===-- Implementation header of getchar_unlocked ---------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC_STDIO_GETCHAR_UNLOCKED_H
+#define LLVM_LIBC_SRC_STDIO_GETCHAR_UNLOCKED_H
+
+namespace __llvm_libc {
+
+int getchar_unlocked();
+
+} // namespace __llvm_libc
+
+#endif // LLVM_LIBC_SRC_STDIO_GETCHAR_UNLOCKED_H
diff --git a/libc/src/stdio/getchar_unlocked.cpp b/libc/src/stdio/getchar_unlocked.cpp
new file mode 100644
--- /dev/null
+++ b/libc/src/stdio/getchar_unlocked.cpp
@@ -0,0 +1,20 @@
+//===-- Implementation of getchar_unlocked --------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "src/stdio/getchar_unlocked.h"
+#include "src/__support/File/file.h"
+
+#include "src/stdio/getc_unlocked.h"
+
+namespace __llvm_libc {
+
+LIBC_INLINE LLVM_LIBC_FUNCTION(int, getchar_unlocked, ()) {
+  return __llvm_libc::getc_unlocked(reinterpret_cast<::FILE *>(stdin));
+}
+
+} // namespace __llvm_libc