C/Console/Formatted Output String

Output the string array with formatting

<source lang="cpp">

1. include <stdio.h>

char *verse[] = {

 "O ",
 "T  T",
 "B   B",
 "O    O",
 "F     F",
 "W      W",
 "A       A",
 "S        S",
 "O         O",
 NULL
 };

int main() {

   char **ch_p;
   /*print the data left justified  */
   for ( ch_p = verse; *ch_p; ch_p++ ) 
       printf ( "%s\n", *ch_p );
   
   printf( "\n" );
   /*print the data right justified */
   for ( ch_p = verse; *ch_p; ch_p++ ) 
       printf ( "%79s\n", *ch_p );
   
   printf( "\n" );
   /* centre the data */
   for ( ch_p = verse; *ch_p; ch_p++ ) {
      int length;
      char format[10];
      length = 40 + strlen ( *ch_p ) / 2;  /* the field length  */
      sprintf ( format, "%%%ds\n", length ); /* Make a format string */
      printf ( format, *ch_p );    
    }
    printf( "\n" );

}

      </source>