add directory study

study/linux-travel/MINIX-1.5/1.5/Source/commands/termcap.c

@@ -0,0 +1,161 @@
+/* termcap - print termcap settings	Author: Terrence Holm */
+
+#include <stdio.h>
+
+#define  TC_BUFFER  1024	/* Size of termcap(3) buffer	*/
+
+char *getenv();
+char *tgetstr();
+
+/****************************************************************/
+/*								*/
+/*    termcap  [ type ]						*/
+/*								*/
+/*    Prints out all of the termcap capabilities as described	*/
+/*    in termcap(4). If "type" is not supplied then $TERM is	*/
+/*    used.							*/
+/*								*/
+/****************************************************************/
+
+
+main( argc, argv )
+  int   argc;
+  char *argv[];
+
+  {
+  char *term;
+  char  buffer[ TC_BUFFER ];
+
+
+  /*  Check for an argument  */
+
+  if ( argc > 2 )
+    Error( "Usage:  %s  [ type ]\n", argv[0] );
+
+  if ( argc == 2 )
+    term = argv[1];
+  else
+    term = getenv( "TERM" );
+
+  if ( term == NULL )
+    Error( "termcap:  $TERM is not defined\n", "" );
+
+
+  /*  Read in the termcap entry  */
+
+  if ( tgetent( buffer, term ) != 1 )
+    Error( "termcap:  No termcap entry for %s\n", term );
+
+
+  /*  Print out the entry's contents  */
+
+  printf( "TERM = %s\n\n", term );
+
+  if ( tgetflag( "am" ) == 1 )
+    printf( "End of line wraps to next line   (am)\n" );
+
+  if ( tgetflag( "bs" ) == 1 )
+    printf( "Ctrl/H performs a backspace      (bs)\n" );
+
+  printf( "Number of columns                (co) = %d\n", tgetnum( "co" ) );
+  printf( "Number of lines                  (li) = %d\n", tgetnum( "li" ) );
+
+  Print( "Clear to end of line", 	  "ce" );
+  Print( "Clear to end of screen", 	  "cd" );
+  Print( "Clear the whole screen",	  "cl" );
+
+  Print( "Start \"stand out\" mode",	  "so" );
+  Print( "End \"stand out\" mode",	  "se" );
+  Print( "Start underscore mode",	  "us" );
+  Print( "End underscore mode",		  "ue" );
+  Print( "Start blinking mode",		  "mb" );
+  Print( "Start bold mode",		  "md" );
+  Print( "Start reverse mode",		  "mr" );
+  Print( "Return to normal mode",	  "me" );
+
+  Print( "Scroll backwards",		  "sr" );
+  Print( "Cursor motion",		  "cm" );
+
+  Print( "Up one line",			  "up" );
+  Print( "Down one line",		  "do" );
+  Print( "Left one space",		  "le" );
+  Print( "Right one space",		  "nd" );
+  Print( "Move to top left corner",	  "ho" );
+
+  Print( "Generated by \"UP\"",		  "ku" );
+  Print( "Generated by \"DOWN\"",	  "kd" );
+  Print( "Generated by \"LEFT\"",	  "kl" );
+  Print( "Generated by \"RIGHT\"",	  "kr" );
+  Print( "Generated by \"HOME\"",	  "kh" );
+  Print( "Generated by \"END\"",	  "k0" );
+  Print( "Generated by \"PGUP\"",	  "k1" );
+  Print( "Generated by \"PGDN\"",	  "k2" );
+  Print( "Generated by numeric \"+\"",	  "k3" );
+  Print( "Generated by numeric \"-\"",	  "k4" );
+  Print( "Generated by numeric \"5\"",	  "k5" );
+
+  exit( 0 );
+  }
+
+
+
+
+
+
+/****************************************************************/
+/*								*/
+/*    	Print( comment, name )					*/
+/*								*/
+/*    		If a termcap entry exists for "name", then	*/
+/*		print out "comment" and the entry. Control	*/
+/*		characters are printed as ^x.			*/
+/*								*/
+/****************************************************************/
+
+
+Print( comment, name )
+  char *comment;
+  char *name;
+
+  {
+  char  entry[ 50 ];
+  char *p = entry;
+
+  if ( tgetstr( name, &p ) == NULL )
+    return;
+    
+  printf( "%-32s (%s) = ", comment, name );
+
+  for ( p = entry;  *p != '\0';  ++p )
+    if ( *p < ' ' )
+      printf( "^%c", *p + '@' );
+    else if ( *p == '\177' )
+      printf( "^?" );
+    else
+      putchar( *p );
+
+  putchar( '\n' );
+  }
+
+
+
+
+
+
+/****************************************************************/
+/*								*/
+/*    	Error( message, arg )					*/
+/*								*/
+/*    		Printf the "message" and abort.			*/
+/*								*/
+/****************************************************************/
+
+
+Error( message, arg )
+  char *message;
+  char *arg;
+
+  {
+  fprintf( stderr, message, arg );
+  exit( 1 );
+  }