diff --git a/ponteiros.tex b/ponteiros.tex
index 5c276895f84c1ba7c8a904f9c30e7ee415a474cb..03faef116c4c302e613d2a7916a0de0c912d7167 100644
--- a/ponteiros.tex
+++ b/ponteiros.tex
@@ -274,14 +274,13 @@ struct {
 
 A memória assumiria o seguinte aspecto para a declaração acima:
 
-\iffalse
 \begin{tabular}{lllllllllllllllll}
-\multicolumn{1}{c} & 0                     & 1                     & 2                     &                       & 3                      & 4                       & 5                       & 6                        &                       & 7                     & 8                     &                       & 9                            &                       & ...                   & N                     \\ \cline{2-17} 
-\multicolumn{1}{c}{{\bf M}}                   & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{X} & \multicolumn{1}{l|}{\0} & \multicolumn{1}{l|}{23} & \multicolumn{1}{l|}{3.6} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf 3}} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} \\ \cline{2-17} 
+\multicolumn{1}{c}{} & 0                     & 1                     & 2                     &                       & 3                      & 4                       & 5                       & 6                        &                       & 7                     & 8                     &                       & 9                            &                       & ...                   & N                     \\ \cline{2-17} 
+\multicolumn{1}{c}{{\bf M}}                   & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{X} & \multicolumn{1}{l|}{\textbackslash0} & \multicolumn{1}{l|}{23} & \multicolumn{1}{l|}{3.6} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf 3}} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} \\ \cline{2-17} 
                                       &                       &                       & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{2}{r|}{.codigo}                     & \multicolumn{1}{r}{.n}  & \multicolumn{1}{r|}{.cr} & \multicolumn{1}{l|}{} &                       & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf P}} & \multicolumn{1}{l|}{} &                       &                       \\ \cline{6-9} \cline{13-13} \cline{15-15}
                                        &                       &                       & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{4}{c|}{registro}                                                                         & \multicolumn{1}{l|}{} &                       &                       &                       &                              &                       &                       &                       \\ \cline{5-10}
 \end{tabular}
-\fi
+
 Após a seguinte linha de código:
 
 \begin{lstlisting}
@@ -293,9 +292,8 @@ A memória assumiria o seguinte aspecto:
 
 \begin{tabular}{lllllllllllllllll}
 \multicolumn{1}{c}{} & 0                     & 1                     & 2                     &                       & 3                      & 4                       & 5                       & 6                        &                       & 7                     & 8                     &                       & 9                            &                       & ...                   & N                     \\ \cline{2-17} 
-\iffalse
-\multicolumn{1}{c}{{\bf M}}                   & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{X} & \multicolumn{1}{l|}{\0} & \multicolumn{1}{l|}{23} & \multicolumn{1}{l|}{3.6} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf 3}} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} \\ \cline{2-17} 
-\fi                                       &                       &                       & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{2}{r|}{.codigo}                     & \multicolumn{1}{r}{.n}  & \multicolumn{1}{r|}{.cr} & \multicolumn{1}{l|}{} &                       & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf P}} & \multicolumn{1}{l|}{} &                       &                       \\ \cline{6-9} \cline{13-13} \cline{15-15}
+\multicolumn{1}{c}{{\bf M}}                   & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{X} & \multicolumn{1}{l|}{\textbackslash0} & \multicolumn{1}{l|}{23} & \multicolumn{1}{l|}{3.6} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf 3}} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} \\ \cline{2-17} 
+                                       &                       &                       & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{2}{r|}{.codigo}                     & \multicolumn{1}{r}{.n}  & \multicolumn{1}{r|}{.cr} & \multicolumn{1}{l|}{} &                       & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf P}} & \multicolumn{1}{l|}{} &                       &                       \\ \cline{6-9} \cline{13-13} \cline{15-15}
                                        &                       &                       & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{4}{c|}{registro}                                                                         & \multicolumn{1}{l|}{} &                       &                       &                       &                              &                       &                       &                       \\ \cline{5-10}
 \end{tabular}
 
@@ -502,9 +500,8 @@ A aparência dessa declaração na memória é a seguinte:
 
 \begin{tabular}{lllllllllllll}
 \multicolumn{1}{c}{}   & 0                     & 1                     & 2                              & 3                              & 4                              & 5                              & 6                              & 7                     & 8                     & 9                           & ...                   & N                     \\ \cline{2-13} 
-\iffalse
-\multicolumn{1}{l|}{M} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf s}}   & \multicolumn{1}{l|}{{\bf a}}   & \multicolumn{1}{l|}{{\bf p}}   & \multicolumn{1}{l|}{{\bf o}}   & \multicolumn{1}{l|}{{\bf \0}}  & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf }} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} \\ \cline{2-13} 
-\fi
+\multicolumn{1}{l|}{M} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf s}}   & \multicolumn{1}{l|}{{\bf a}}   & \multicolumn{1}{l|}{{\bf p}}   & \multicolumn{1}{l|}{{\bf o}}   & \multicolumn{1}{l|}{{\bf \textbackslash0}}  & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf }} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} \\ \cline{2-13} 
+
 &                       &                       & \multicolumn{1}{c}{str{[}0{]}} & \multicolumn{1}{c}{str{[}1{]}} & \multicolumn{1}{c}{str{[}2{]}} & \multicolumn{1}{c}{str{[}3{]}} & \multicolumn{1}{c}{str{[}4{]}} &                       &                       & {\bf }                      &                       &                       \\ \cline{4-8}
                        &                       &                       & \multicolumn{5}{c}{{\bf str}}                                                                                                                                      &                       &                       &                             &                       &                      
 \end{tabular}
@@ -521,8 +518,8 @@ char *pon = str;
 O efeito será:
 \begin{tabular}{lllllllllllll}
 \multicolumn{1}{c}{}   & 0                     & 1                     & 2                              & 3                              & 4                              & 5                              & 6                              & 7                     & 8                            & 9                           & ...                   & N                     \\ \cline{2-13} 
-\iffalse\multicolumn{1}{l|}{M} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf s}}   & \multicolumn{1}{l|}{{\bf a}}   & \multicolumn{1}{l|}{{\bf p}}   & \multicolumn{1}{l|}{{\bf o}}   & \multicolumn{1}{l|}{{\bf \0}}  & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf 2}} & \multicolumn{1}{l|}{{\bf }} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} \\ \cline{2-13} 
-\fi                       &                       &                       & \multicolumn{1}{c}{str{[}0{]}} & \multicolumn{1}{c}{str{[}1{]}} & \multicolumn{1}{c}{str{[}2{]}} & \multicolumn{1}{c}{str{[}3{]}} & \multicolumn{1}{c}{str{[}4{]}} &                       & {\bf pon}                    & {\bf }                      &                       &                       \\ \cline{4-8}
+\multicolumn{1}{l|}{M} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf s}}   & \multicolumn{1}{l|}{{\bf a}}   & \multicolumn{1}{l|}{{\bf p}}   & \multicolumn{1}{l|}{{\bf o}}   & \multicolumn{1}{l|}{{\bf \textbackslash0}}  & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{{\bf 2}} & \multicolumn{1}{l|}{{\bf }} & \multicolumn{1}{l|}{} & \multicolumn{1}{l|}{} \\ \cline{2-13} 
+                       &                       &                       & \multicolumn{1}{c}{str{[}0{]}} & \multicolumn{1}{c}{str{[}1{]}} & \multicolumn{1}{c}{str{[}2{]}} & \multicolumn{1}{c}{str{[}3{]}} & \multicolumn{1}{c}{str{[}4{]}} &                       & {\bf pon}                    & {\bf }                      &                       &                       \\ \cline{4-8}
                        &                       &                       & \multicolumn{5}{c}{{\bf str}}                                                                                                                                      &                       &                              &                             &                       &                      
 \end{tabular}