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% Document Info
\author{Ryan Johnson (CITguy)}
\pdfinfo{
  /Title (extending-ruby-with-c-part-2.pdf)
  /Creator (Cheatography)
  /Author (Ryan Johnson (CITguy))
  /Subject (Extending Ruby with C - Part 2 Cheat Sheet)
}

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\fancyhead[L]{
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{C}
    \SetRowColor{DarkBackground}
    \vspace{-7pt}
    {\parbox{\dimexpr\textwidth-2\fboxsep\relax}{\noindent
        \hspace*{-6pt}\includegraphics[width=5.8cm]{/web/www.cheatography.com/public/images/cheatography_logo.pdf}}
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\columnbreak
\begin{tabulary}{11cm}{L}
    \vspace{-2pt}\large{\bf{\textcolor{DarkBackground}{\textrm{Extending Ruby with C - Part 2 Cheat Sheet}}}} \\
    \normalsize{by \textcolor{DarkBackground}{Ryan Johnson (CITguy)} via \textcolor{DarkBackground}{\uline{cheatography.com/138/cs/249/}}}
\end{tabulary}
\end{multicols}}

\fancyfoot[L]{ \footnotesize
\noindent
\begin{multicols}{3}
\begin{tabulary}{5.8cm}{LL}
  \SetRowColor{FootBackground}
  \mymulticolumn{2}{p{5.377cm}}{\bf\textcolor{white}{Cheatographer}}  \\
  \vspace{-2pt}Ryan Johnson (CITguy) \\
  \uline{cheatography.com/citguy} \\
  \end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
  \SetRowColor{FootBackground}
  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Cheat Sheet}}  \\
   \vspace{-2pt}Published 15th February, 2012.\\
   Updated 11th May, 2016.\\
   Page {\thepage} of \pageref{LastPage}.
\end{tabulary}
\vfill
\columnbreak
\begin{tabulary}{5.8cm}{L}
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  \mymulticolumn{1}{p{5.377cm}}{\bf\textcolor{white}{Sponsor}}  \\
  \SetRowColor{white}
  \vspace{-5pt}
  %\includegraphics[width=48px,height=48px]{dave.jpeg}
  Measure your website readability!\\
  www.readability-score.com
\end{tabulary}
\end{multicols}}




\begin{document}
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\begin{multicols*}{3}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Ruby C - Common Methods}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{int {\bf{rb\_respond\_to}}(VALUE self, ID method) =\textgreater{} 0|nonzero} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_thread\_create}}(VALUE (*func)(), void *data)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Runs {\emph{func}} in new thread, passing {\emph{data}} as an arg.} \tn 
% Row Count 6 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_obj\_is\_instance\_of}}(VALUE obj, VALUE klass) =\textgreater{} Qtrue|Qfalse} \tn 
% Row Count 8 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_obj\_is\_kind\_of}}(VALUE obj, VALUE klass)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Returns Qtrue if {\emph{klass}} is superclass of {\emph{obj}} class.} \tn 
% Row Count 12 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Ruby C - Exceptions}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{void {\bf{rb\_raise}}(V exception, const char *fmt, ...)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Raises {\emph{exception}}. {\emph{fmt}} and args used like in printf.} \tn 
% Row Count 4 (+ 4)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{void {\bf{rb\_fatal}}(const char *fmt, ...)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Raises Fatal exception, terminating process. No rescue blocks called, but ensure blocks will be called. {\emph{fmt}} and args used like in printf.} \tn 
% Row Count 8 (+ 4)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{void {\bf{rb\_bug}}(const char *fmt, ...)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Terminates process immediately-{}-no handlers of any sort called. {\emph{fmt}} and args are interpreted like printf. {\emph{Call only if a fatal bug has been exposed.}}} \tn 
% Row Count 13 (+ 5)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{void {\bf{rb\_sys\_fail}} (const char *msg)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Raises a platform-specific exception corresponding to last known system error, with the given {\emph{msg}}.} \tn 
% Row Count 17 (+ 4)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{V {\bf{rb\_rescue}}(V (*body)(), V args, V (*rescue)(), V rargs)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Executes body with given {\emph{args}}. If StandardError exception raised, execute {\emph{rescue}} with given {\emph{rargs}}.} \tn 
% Row Count 22 (+ 5)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{V {\bf{rb\_ensure}}(V (*body)(), V args, V (*rescue)(), V eargs)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Executes body with given {\emph{args}}. Whether or not an exception is raised, execute {\emph{ensure}} with given {\emph{rargs}} after {\emph{body}} has completed.} \tn 
% Row Count 27 (+ 5)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{V {\bf{rb\_protect}}(V (*body)(), V args, int *result)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Executes {\emph{body}} with given {\emph{args}} and returns nonzero in {\emph{result}} if any exception raised.} \tn 
% Row Count 31 (+ 4)
\end{tabularx}
\par\addvspace{1.3em}

\vfill
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\begin{tabularx}{5.377cm}{X}
\SetRowColor{DarkBackground}
\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Ruby C - Exceptions (cont)}}  \tn
% Row 7
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\mymulticolumn{1}{x{5.377cm}}{void {\bf{rb\_notimplement}}()} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Raises NotImpError exception to indicate enclosed function is NYI, or not available on platform.} \tn 
% Row Count 4 (+ 4)
% Row 8
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\mymulticolumn{1}{x{5.377cm}}{void {\bf{rb\_exit}}(int status)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Exits Ruby with given {\emph{status}}. Raises SystemExit exception and calls registered exit functions/finalizers.} \tn 
% Row Count 8 (+ 4)
% Row 9
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\mymulticolumn{1}{x{5.377cm}}{void {\bf{rb\_warn}}(const char *fmt, ...)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Unconditionally issues warning message to standard error. {\emph{fmt}} and args used like in printf.} \tn 
% Row Count 11 (+ 3)
% Row 10
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\mymulticolumn{1}{x{5.377cm}}{void {\bf{rb\_warning}}(const char *fmt, ...)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Conditionally issues a warning message to standard error if Ruby was invoked with the -w flag. {\emph{fmt}} and args used like in printf.} \tn 
% Row Count 15 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{V = VALUE}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Ruby C - Array Methods}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_ary\_new}}()} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Returns new Array with default size.} \tn 
% Row Count 2 (+ 2)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_ary\_new2}}(long length)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Returns new Array of given {\emph{length}}.} \tn 
% Row Count 4 (+ 2)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_ary\_new3}}(long length, ...)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Returns new Array of given {\emph{length}} and populated with remaining arguments.} \tn 
% Row Count 7 (+ 3)
% Row 3
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\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_ary\_new4}}(long length, VALUE *values)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Returns new Array of given {\emph{length}} and populated with C array {\emph{values}}.} \tn 
% Row Count 10 (+ 3)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{void {\bf{rb\_ary\_store}}(VALUE self, long index, VALUE value)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Stores {\emph{value}} at {\emph{index}} in array {\emph{self}}.} \tn 
% Row Count 13 (+ 3)
% Row 5
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\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_ary\_push}}(VALUE self, VALUE value)} \tn 
% Row Count 14 (+ 1)
% Row 6
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\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_ary\_pop}}(VALUE self)} \tn 
% Row Count 15 (+ 1)
% Row 7
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\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_ary\_shift}}(VALUE self)} \tn 
% Row Count 16 (+ 1)
% Row 8
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\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_ary\_unshift}}(VALUE self, VALUE value)} \tn 
% Row Count 17 (+ 1)
% Row 9
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\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_ary\_entry}}(VALUE self, long index)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Returns array {\emph{self}}'s element at {\emph{index}}.} \tn 
% Row Count 19 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\columnbreak
\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Ruby C - Iterators}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{void {\bf{rb\_iter\_break}}()} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Breaks out of enclosing iterator block.} \tn 
% Row Count 2 (+ 2)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_each}}(VALUE obj)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Invokes 'each' method of the given {\emph{obj}}.} \tn 
% Row Count 4 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_yield}}(VALUE arg)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Transfers execution to iterator block in the current context, passing {\emph{arg}} as an argument. Multiple values may be passed in an array.} \tn 
% Row Count 8 (+ 4)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{int {\bf{rb\_block\_given\_p}}()} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Nonzero if yield would execute a block in current context-{}-that is, if a code block was passed to current method and is available to be called.} \tn 
% Row Count 13 (+ 5)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_iterate}}(VALUE (*method)(), VALUE args, VALUE (*block)(), VALUE arg2)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Invokes {\emph{method}} with {\emph{args}} and block {\emph{block}}. Yield from that method will invoke {\emph{block}} with arg given to yield and second arg {\emph{arg2}}.} \tn 
% Row Count 18 (+ 5)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_catch}}(const char *tag, VALUE (*proc)(), VALUE value)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Equivalent to Ruby catch.} \tn 
% Row Count 21 (+ 3)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{void {\bf{rb\_throw}}(const char *tag, VALUE value)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Equivalent to Ruby throw.} \tn 
% Row Count 23 (+ 2)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}

\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Ruby C - Hash Methods}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_hash\_new}}()} \tn 
% Row Count 1 (+ 1)
% Row 1
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\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_hash\_aref}}(VALUE self, VALUE key)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Returns element corresponding to {\emph{key}} in {\emph{self}}.} \tn 
% Row Count 4 (+ 3)
% Row 2
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\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_hash\_aset}}(VALUE self, VALUE key, VALUE value)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Sets value for {\emph{key}} to {\emph{value}} in {\emph{self}}. Returns {\emph{self}}.} \tn 
% Row Count 8 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
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\columnbreak
\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Ruby C - Accessing Variables}}  \tn
% Row 0
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\mymulticolumn{1}{x{5.377cm}}{V {\bf{rb\_iv\_get}}(V obj, char *name)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Returns instance var {\emph{name}} (must specify "@" prefix) from given {\emph{obj}}.} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{V {\bf{rb\_ivar\_get}}(V obj, ID name)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Returns instance var {\emph{name}} from given {\emph{obj}}.} \tn 
% Row Count 5 (+ 2)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{V {\bf{rb\_iv\_set}}(V obj, char *name, V value)  =\textgreater{} value} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Sets instance var {\emph{name}} (must specify "@" prefix) in given {\emph{obj}} to {\emph{value}}.} \tn 
% Row Count 9 (+ 4)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{V {\bf{rb\_ivar\_set}}(V obj, ID name, V value)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Sets instance var {\emph{name}} in {\emph{obj}} to {\emph{value}}.} \tn 
% Row Count 11 (+ 2)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{V {\bf{rb\_gv\_set}}(const char *name, V value) =\textgreater{} value} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Sets global var {\emph{name}} ("\$" prefix optional) to {\emph{value}}.} \tn 
% Row Count 15 (+ 4)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{V {\bf{rb\_gv\_get}}(const char *name)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Returns global var {\emph{name}} ("\$" prefix optional).} \tn 
% Row Count 18 (+ 3)
% Row 6
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{void {\bf{rb\_cvar\_set}}(V class, ID name, V val)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Sets class var {\emph{name}} in {\emph{class}} to {\emph{value}}.} \tn 
% Row Count 20 (+ 2)
% Row 7
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{V {\bf{rb\_cvar\_get}}(V class, ID name)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Returns class var {\emph{name}} from given {\emph{class}}.} \tn 
% Row Count 22 (+ 2)
% Row 8
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{int {\bf{rb\_cvar\_defined}}(V class, ID name)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Qtrue if class var {\emph{name}} has been defined for {\emph{class}}.} \tn 
% Row Count 25 (+ 3)
% Row 9
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{void {\bf{rb\_cv\_set}}(V class, const char *name, V val)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Sets class var {\emph{name}} (must specify "@@" prefix) in given {\emph{class}} to {\emph{value}}.} \tn 
% Row Count 29 (+ 4)
% Row 10
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{V {\bf{rb\_cv\_get}}(V class, const char *name)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Returns class var {\emph{name}} (must specify a "@@" prefix) from given {\emph{class}}.} \tn 
% Row Count 32 (+ 3)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{V = VALUE}  \tn 
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
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\columnbreak
\begin{tabularx}{5.377cm}{X}
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\mymulticolumn{1}{x{5.377cm}}{\bf\textcolor{white}{Ruby C - String Methods}}  \tn
% Row 0
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_str\_new}}(const char *src, long length)=\textgreater{}String} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Initialized with {\emph{length}} chars from {\emph{src}}.} \tn 
% Row Count 3 (+ 3)
% Row 1
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_str\_new2}}(const char *src) =\textgreater{} String} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Initialized with null-terminated C string {\emph{src}}.} \tn 
% Row Count 6 (+ 3)
% Row 2
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_str\_dup}}(VALUE str) =\textgreater{} String} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Duplicated from {\emph{str}}.} \tn 
% Row Count 8 (+ 2)
% Row 3
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_str\_cat}}(VALUE self, const char *src, long length) =\textgreater{} self} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Concatenates {\emph{length}} chars from {\emph{src}} onto {\emph{self}}.} \tn 
% Row Count 12 (+ 4)
% Row 4
\SetRowColor{LightBackground}
\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_str\_concat}}(VALUE self, VALUE other) =\textgreater{} self} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Concatenates {\emph{other}} onto String {\emph{self}}.} \tn 
% Row Count 15 (+ 3)
% Row 5
\SetRowColor{white}
\mymulticolumn{1}{x{5.377cm}}{VALUE {\bf{rb\_str\_split}}(VALUE self, const char *delim)} \tn 
\mymulticolumn{1}{x{5.377cm}}{\hspace*{6 px}\rule{2px}{6px}\hspace*{6 px}Returns array of String objects created by splitting {\emph{self}} on {\emph{delim}}.} \tn 
% Row Count 19 (+ 4)
\hhline{>{\arrayrulecolor{DarkBackground}}-}
\end{tabularx}
\par\addvspace{1.3em}


% That's all folks
\end{multicols*}

\end{document}