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C/C++ Source or Header  |  1994-02-07  |  296b  |  16 lines
  1.  
  2. LISTING 10 - A "Hello, world!" program
  3. /* hello.c: Greet either the user or the world */ 
  4. #include <stdio.h>
  5.  
  6. main(int argc, char *argv[])
  7. {
  8.     if (argc > 1 && argv[1] != NULL)
  9.         printf("Hello, %s!\n",argv[1]);
  10.     else
  11.         printf("Hello, world!\n");
  12.     return 0;
  13. }
  14.  
  15.  
  16.