prevent multiple includes

diff --git a/modules/src/alloc/alloc.h b/modules/src/alloc/alloc.h
index 50c789d..f84b0b1 100644 (file)
--- a/modules/src/alloc/alloc.h
+++ b/modules/src/alloc/alloc.h
@@ -3,8 +3,8 @@
  * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
  * See the copyright notice in the ACK home directory, in the file "Copyright".
  */
-#ifndef ALLOC_INCLUDED
-#define ALLOC_INCLUDED
+#ifndef __ALLOC_INCLUDED__
+#define __ALLOC_INCLUDED__
 /*     PROGRAM'S INTERFACE TO MEMORY ALLOCATION ROUTINES               */
 
 /*     This file serves as the interface between the program and the
@@ -36,4 +36,4 @@ typedef struct _ALLOC_ {
 #define        st_free(ptr, phead, size)       (botch((char *)(ptr), size), \
                                                _A_st_free(ptr, phead, size))
 #endif BOTCH_FREE
-#endif ALLOC_INCLUDED
+#endif __ALLOC_INCLUDED__

diff --git a/modules/src/read_em/em_comp.h b/modules/src/read_em/em_comp.h
index ef37dae..2c51646 100644 (file)
--- a/modules/src/read_em/em_comp.h
+++ b/modules/src/read_em/em_comp.h
@@ -3,6 +3,8 @@
  * See the copyright notice in the ACK home directory, in the file "Copyright".
  */
 /* $Header$ */
+#ifndef __EMCOMP_INCLUDED__
+#define __EMCOMP_INCLUDED__
 
 struct e_arg {
        int     ema_argtype;            /* type of this argument */
@@ -70,3 +72,4 @@ extern unsigned int
        EM_lineno;
 extern int
        EM_wordsize, EM_pointersize;
+#endif __EMCOMP_INCLUDED__

diff --git a/modules/src/system/system.h b/modules/src/system/system.h
index 0631f44..72e523e 100644 (file)
--- a/modules/src/system/system.h
+++ b/modules/src/system/system.h
@@ -3,6 +3,8 @@
  * See the copyright notice in the ACK home directory, in the file "Copyright".
  */
 /* RCS: $Header$ */
+#ifndef __SYSTEM_INCLUDED__
+#define __SYSTEM_INCLUDED__
 
 struct _sys_fildes {
        int o_fd;       /* UNIX filedescriptor */
@@ -42,3 +44,4 @@ extern File _sys_ftab[];
 
 /* system's idea of block */
 #define BUFSIZ 1024
+#endif __SYSTEM_INCLUDED__