Liwc

• ccmtcnvt(1) convert C++ comments to C comments
• chktri(1) check for trigraphs in C source code
• cstr(1) print out string literals in C source code
• entrigraph(1) convert C source code to use trigraphs
• liwc(1) collection of programs to manipulate C source code
• rmccmt(1) remove comments from C and C++ programs
• untrigraph(1) remove trigraphs from C source code