ObjectiveC

   1 /*
   2 http://ftpmain.gnustep.org/pub/gnustep/core/gnustep-make-2.6.8.tar.gz
   3 http://ftpmain.gnustep.org/pub/gnustep/core/gnustep-base-1.24.9.tar.gz
   4 http://ftpmain.gnustep.org/pub/gnustep/core/gnustep-gui-0.25.0.tar.gz
   5 http://ftpmain.gnustep.org/pub/gnustep/core/gnustep-back-0.25.0.tar.gz
   6 
   7 gcc -lgnustep-base -lobjc main.m -o main -L /usr/GNUstep/Local/Library/Libraries -I /usr/GNUstep/System/Library/Headers/ -fconstant-string-class=NSConstantString
   8 */
   9 
  10 #import <Foundation/Foundation.h>
  11 #import <stdlib.h>
  12 #import <stdio.h>
  13 
  14 @interface Hello:NSObject
  15     - (void)greet:(char *)msg msg2:(NSString *)msg2;
  16 @end
  17 
  18 @implementation Hello
  19     - (void)greet:(char *)msg msg2:(NSString *)msg2 {
  20         printf("Hello, World! %s %s \n", msg, [msg2 cString] );
  21         NSLog(@"Hello, World! %s %@", msg , msg2 );
  22     }
  23 @end
  24 
  25 int main(void) {
  26     NSString *str1 = @"ijk";
  27     id myhello = [ [Hello alloc] init];
  28     [ myhello greet:"GNUStep ..." msg2:str1 ];
  29     [ myhello release ];
  30     return EXIT_SUCCESS;
  31 }