4.3BSD - /usr/src/new/spms/src/lib/libspms/src/getshell.c

   1: /* $Header$ */
   2: 
   3: /*
   4:  * Author: Peter J. Nicklin
   5:  */
   6: 
   7: /*
   8:  * getshell() returns the value the SHELL environment variable (usually
   9:  * the pathname of the user's command interpreter). If SHELL is undefined,
  10:  * getshell() returns SH (defined in header file bin.h).
  11:  */
  12: #include "bin.h"
  13: #include "null.h"
  14: 
  15: char *
  16: getshell()
  17: {
  18:     char *shell;            /* command shell pathname */
  19:     char *getenv();         /* get environment variable */
  20: 
  21:     if ((shell = getenv("SHELL")) == NULL)
  22:         return(SH);
  23:     else
  24:         return(shell);
  25: }

Defined functions