char$*$ expand$\_$str$($char$*$ input$)\{$

char$*$ expanded $=$ malloc$($expand$\_$str$\_$len$($input$))$ ;

$\frac{\frac{?}{?}}{?}$ char$*$ expanded $=$ malloc$(128)$;

char$*$ pattern;

int $i=0$;

int $x=0$;

while $($input

expanded$[i]=$ input $i$;

$\}$

i$++$;

int $n=$ input $[i]-{?}^{\text{'}}{0}^{\text{'}}$;

int $z=i+3$;

for $($int $[x]=$input$[z]x++k++[i]=$pattern$[k]z=z+1$;;$z++[i]=$input$[z]\frac{\frac{?}{?}}{\frac{?}{?}}\frac{?}{0^{\text{'}}z}$;$z$ inputk$=0$;$k$ pattern $j=0$;$j\{$:$z$;$z$

$if(input[z]\text{'})\text{'})\{$

pattern $[x]=$input$[z]$;

$x++$;

$\}else\{$

break;

$\}$

char$*$ expand$\_$str$($char$*$ input$)\{$

char$*$ expanded $=$ malloc$($expand$\_$str$\_$len$($input$))$ ;

$\frac{\frac{?}{?}}{?}$ char$*$ expanded $=$ malloc$(128)$;

char$*$ pattern;

int $i=0$;

int $x=0$;

while $($input

expanded$[i]=$ input $i$;

$\}$

i$++$;

int $n=$ input $[i]-{?}^{\text{'}}{0}^{\text{'}}$;

int $z=i+3$;

for $($int $[x]=$input$[z]x++k++[i]=$pattern$[k]z=z+1$;;$z++[i]=$input$[z]\frac{\frac{?}{?}}{\frac{?}{?}}\frac{?}{0^{\text{'}}z}$;$z$ inputk$=0$;$k$ pattern $j=0$;$j\{$:$z$;$z$

$if(input[z]\text{'})\text{'})\{$

pattern $[x]=$input$[z]$;

$x++$;

$\}else\{$

break;

$\}$