2.11BSD#431 - /usr/src/new/jove/teachjove.c

   1: /***************************************************************************
   2:  * This program is Copyright (C) 1986, 1987, 1988 by Jonathan Payne.  JOVE *
   3:  * is provided to you without charge, and with no warranty.  You may give  *
   4:  * away copies of JOVE, including sources, provided that this notice is    *
   5:  * included in all the files.                                              *
   6:  ***************************************************************************/
   7: 
   8: #include <sys/types.h>
   9: #include <sys/file.h>
  10: 
  11: #ifndef TEACHJOVE
  12: #    define TEACHJOVE   "/usr/new/lib/jove/teach-jove"
  13: #endif
  14: 
  15: #ifndef W_OK
  16: #   define W_OK 2
  17: #   define F_OK 0
  18: #endif
  19: 
  20: extern char *getenv();
  21: 
  22: main()
  23: {
  24:     char    cmd[256],
  25:         fname[256],
  26:         *home;
  27: 
  28:     if ((home = getenv("HOME")) == 0) {
  29:         printf("teachjove: cannot find your home!\n");
  30:         exit(-1);
  31:     }
  32:     (void) sprintf(fname, "%s/teach-jove", home);
  33:     if (access(fname, F_OK) != 0) {
  34:         (void) sprintf(cmd, "cp %s %s", TEACHJOVE, fname);
  35:         system(cmd);
  36:     }
  37:     (void) execlp("jove", "teachjove", fname, (char *) 0);
  38:     printf("teachjove: cannot execl jove!\n");
  39: }

Defined functions

Defined macros