diff --git a/pygments/lexers/c_cpp.py b/pygments/lexers/c_cpp.py
index 6deb8bf8bb..865065ba4b 100644
--- a/pygments/lexers/c_cpp.py
+++ b/pygments/lexers/c_cpp.py
@@ -132,9 +132,9 @@ class CFamilyLexer(RegexLexer):
              r'(' + _possible_comments + r')'    # possible comments
              r'(' + _namespaced_ident + r')'             # method name
              r'(' + _possible_comments + r')'    # possible comments
-             r'(\([^;]*?\))'                          # signature
+             r'(\([^;"\']*?\))'                          # signature
              r'(' + _possible_comments + r')'    # possible comments
-             r'([^;{/]*)(\{)',
+             r'([^;{/"\']*)(\{)',
              bygroups(using(this), using(this, state='whitespace'), Name.Function, using(this, state='whitespace'),
                       using(this), using(this, state='whitespace'), using(this), Punctuation),
              'function'),
@@ -143,9 +143,9 @@ class CFamilyLexer(RegexLexer):
              r'(' + _possible_comments + r')'    # possible comments
              r'(' + _namespaced_ident + r')'             # method name
              r'(' + _possible_comments + r')'    # possible comments
-             r'(\([^;]*?\))'                          # signature
+             r'(\([^;"\']*?\))'                          # signature
              r'(' + _possible_comments + r')'    # possible comments
-             r'([^;/]*)(;)',
+             r'([^;/"\']*)(;)',
              bygroups(using(this), using(this, state='whitespace'), Name.Function, using(this, state='whitespace'),
                       using(this), using(this, state='whitespace'), using(this), Punctuation)),
             include('types'),
diff --git a/tests/examplefiles/cpp/example.cpp.output b/tests/examplefiles/cpp/example.cpp.output
index b82dd0955b..1e2444fce8 100644
--- a/tests/examplefiles/cpp/example.cpp.output
+++ b/tests/examplefiles/cpp/example.cpp.output
@@ -944,7 +944,7 @@
 '    '        Text.Whitespace
 'string'      Name
 ' '           Text.Whitespace
-'getOpenTag'  Name.Function
+'getOpenTag'  Name
 '('           Punctuation
 'const'       Keyword
 ' '           Text.Whitespace