diff --git a/Tools/scripts/patchcheck.py b/Tools/scripts/patchcheck.py
--- a/Tools/scripts/patchcheck.py
+++ b/Tools/scripts/patchcheck.py
@@ -51,6 +51,21 @@ def normalize_whitespace(file_paths):
     result = map(reindent.check, (x for x in file_paths if x.endswith('.py')))
     return sum(result)
 
+@status("Checking whitespace and line length in C files, ACKS and NEWS",
+        info=lambda x: "%s files" % x)
+def check_pep7(file_paths):
+    """Report tabs, trailing whitespace and long lines in .[ch], ACKS, NEWS."""
+    files = (x for x in file_paths
+             if x.endswith(('.c', '.h')) or x in ('Misc/ACKS', 'Misc/NEWS'))
+    result = 0
+    for filename in files:
+        with open(filename) as fp:
+            for line in fp:
+                if '\t' in line or line[-2].isspace() or len(line) > 80:
+                    result += 1
+                    break
+    return result
+
 @status("Docs modified", modal=True)
 def docs_modified(file_paths):
     """Report if any files in the Docs directory."""
@@ -74,6 +89,7 @@ def main():
     file_paths = changed_files()
     # PEP 7/8 verification.
     normalize_whitespace(file_paths)
+    check_pep7(file_paths)
     # Docs updated.
     docs_modified(file_paths)
     # Misc/ACKS changed.