iconv.1, memusage.1, sprof.1: ffix

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

man1/iconv.1

@@ -182,19 +182,19 @@ POSIX.1-2001.
 Convert text from the ISO 8859-15 character encoding to UTF-8:
 .PP
 .in +4n
-.nf
+.EX
 $ \fBiconv \-f ISO\-8859\-15 \-t UTF\-8 < input.txt > output.txt\fP
-.fi
+.EE
 .in
 .PP
 The next example converts from UTF-8 to ASCII, transliterating when
 possible:
 .PP
 .in +4n
-.nf
+.EX
 $ \fBecho abc ß α € àḃç | iconv \-f UTF\-8 \-t ASCII//TRANSLIT\fP
 abc ss ? EUR abc
-.fi
+.EE
 .in
 .SH SEE ALSO
 .BR locale (1),

man1/memusage.1

@@ -210,7 +210,7 @@ a graph of the memory usage of the program can be found in the file
 .IR memusage.png :
 .PP
 .in +4n
-.nf
+.EX
 $ \fBmemusage --data=memusage.dat ./a.out\fP
 \&...
 Memory usage summary: heap total: 45200, heap peak: 6440, stack peak: 224
@@ -232,7 +232,7 @@ Histogram for block sizes:
  5840-5855            2   4% =================================
  6432-6447            1   2% ================
 $ \fBmemusagestat memusage.dat memusage.png\fP
-.fi
+.EE
 .in
 .SS Program source
 .EX

man1/sprof.1

@@ -84,7 +84,7 @@ in a shared object.
 First, the code of the main program:
 .PP
 .in +4n
-.nf
+.EX
 $ \fBcat prog.c\fP
 #include <stdlib.h>
 
@@ -98,7 +98,7 @@ main(int argc, char *argv[])
     x2();
     exit(EXIT_SUCCESS);
 }
-.fi
+.EE
 .in
 .PP
 The functions
@@ -109,7 +109,7 @@ are defined in the following source file that is used to
 construct the shared object:
 .PP
 .in +4n
-.nf
+.EX
 $ \fBcat libdemo.c\fP
 #include <unistd.h>
 
@@ -147,7 +147,7 @@ x2(void)
     for (j = 0; j < 1000; j++)
 	consumeCpu2(10000);
 }
-.fi
+.EE
 .in
 .PP
 Now we construct the shared object with the real name
@@ -156,34 +156,34 @@ and the soname
 .IR libdemo.so.1 :
 .PP
 .in +4n
-.nf
+.EX
 $ \fBcc \-g \-fPIC \-shared \-Wl,\-soname,libdemo.so.1 \e\fP
         \fB\-o libdemo.so.1.0.1 libdemo.c\fP
-.fi
+.EE
 .in
 .PP
 Then we construct symbolic links for the library soname and
 the library linker name:
 .PP
 .in +4n
-.nf
+.EX
 $ \fBln \-sf libdemo.so.1.0.1 libdemo.so.1\fP
 $ \fBln \-sf libdemo.so.1 libdemo.so\fP
-.fi
+.EE
 .in
 .PP
 Next, we compile the main program, linking it against the shared object,
 and then list the dynamic dependencies of the program:
 .PP
 .in +4n
-.nf
+.EX
 $ \fBcc \-g \-o prog prog.c \-L. \-ldemo\fP
 $ \fBldd prog\fP
 	linux\-vdso.so.1 =>  (0x00007fff86d66000)
 	libdemo.so.1 => not found
 	libc.so.6 => /lib64/libc.so.6 (0x00007fd4dc138000)
 	/lib64/ld\-linux\-x86\-64.so.2 (0x00007fd4dc51f000)
-.fi
+.EE
 .in
 .PP
 In order to get profiling information for the shared object,
@@ -192,9 +192,9 @@ we define the environment variable
 with the soname of the library:
 .PP
 .in +4n
-.nf
+.EX
 $ \fBexport LD_PROFILE=libdemo.so.1\fP
-.fi
+.EE
 .in
 .PP
 We then define the environment variable
@@ -203,10 +203,10 @@ with the pathname of the directory where profile output should be written,
 and create that directory if it does not exist already:
 .PP
 .in +4n
-.nf
+.EX
 $ \fBexport LD_PROFILE_OUTPUT=$(pwd)/prof_data\fP
 $ \fBmkdir \-p $LD_PROFILE_OUTPUT\fP
-.fi
+.EE
 .in
 .PP
 .B LD_PROFILE
@@ -216,9 +216,9 @@ to the output file if it already exists,
 so we ensure that there is no preexisting profiling data:
 .PP
 .in +4n
-.nf
+.EX
 $ \fBrm \-f $LD_PROFILE_OUTPUT/$LD_PROFILE.profile\fP
-.fi
+.EE
 .in
 .PP
 We then run the program to produce the profiling output,
@@ -226,11 +226,11 @@ which is written to a file in the directory specified in
 .BR LD_PROFILE_OUTPUT :
 .PP
 .in +4n
-.nf
+.EX
 $ \fBLD_LIBRARY_PATH=. ./prog\fP
 $ \fBls prof_data\fP
 libdemo.so.1.profile
-.fi
+.EE
 .in
 .PP
 We then use the
@@ -238,7 +238,7 @@ We then use the
 option to generate a flat profile with counts and ticks:
 .PP
 .in +4n
-.nf
+.EX
 $ \fBsprof \-p libdemo.so.1 $LD_PROFILE_OUTPUT/libdemo.so.1.profile\fP
 Flat profile:
 
@@ -249,7 +249,7 @@ Each sample counts as 0.01 seconds.
  40.00      0.10     0.04     1000    40.00           consumeCpu2
   0.00      0.10     0.00        1     0.00           x1
   0.00      0.10     0.00        1     0.00           x2
-.fi
+.EE
 .in
 .PP
 The
@@ -257,7 +257,7 @@ The
 option generates a call graph:
 .PP
 .in +4n
-.nf
+.EX
 $ \fBsprof \-q libdemo.so.1 $LD_PROFILE_OUTPUT/libdemo.so.1.profile\fP
 
 index % time    self  children    called     name
@@ -276,7 +276,7 @@ index % time    self  children    called     name
 [3]      0.0    0.00    0.00        1         x2 [3]
                 0.00    0.00     1000/1000        consumeCpu2 [2]
 \-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-\-
-.fi
+.EE
 .in
 .PP
 Above and below, the "<UNKNOWN>" strings represent identifiers that
@@ -288,13 +288,13 @@ The
 option generates a list of call pairs and the number of their occurrences:
 .PP
 .in +4n
-.nf
+.EX
 $ \fBsprof \-c libdemo.so.1 $LD_PROFILE_OUTPUT/libdemo.so.1.profile\fP
 <UNKNOWN>                  x1                                 1
 x1                         consumeCpu1                      100
 <UNKNOWN>                  x2                                 1
 x2                         consumeCpu2                     1000
-.fi
+.EE
 .in
 .SH SEE ALSO
 .BR gprof (1),