GDB testsuite: drop non-prototype C function header variants

Remove many old-style function header variants in C source files of
the GDB test suite, using the 'unifdef' tool with '-DPROTOTYPES=1'.

gdb/testsuite/ChangeLog:

	* gdb.base/annota1.c: Remove #ifdef PROTOTYPES, keep prototyped
	variant.
	* gdb.base/annota3.c: Likewise.
	* gdb.base/async.c: Likewise.
	* gdb.base/average.c: Likewise.
	* gdb.base/call-ar-st.c: Likewise.
	* gdb.base/call-rt-st.c: Likewise.
	* gdb.base/call-sc.c: Likewise.
	* gdb.base/call-strs.c: Likewise.
	* gdb.base/ending-run.c: Likewise.
	* gdb.base/execd-prog.c: Likewise.
	* gdb.base/exprs.c: Likewise.
	* gdb.base/foll-exec.c: Likewise.
	* gdb.base/foll-fork.c: Likewise.
	* gdb.base/foll-vfork.c: Likewise.
	* gdb.base/funcargs.c: Likewise.
	* gdb.base/gcore.c: Likewise.
	* gdb.base/jump.c: Likewise.
	* gdb.base/langs0.c: Likewise.
	* gdb.base/langs1.c: Likewise.
	* gdb.base/langs2.c: Likewise.
	* gdb.base/mips_pro.c: Likewise.
	* gdb.base/nodebug.c: Likewise.
	* gdb.base/opaque0.c: Likewise.
	* gdb.base/opaque1.c: Likewise.
	* gdb.base/recurse.c: Likewise.
	* gdb.base/run.c: Likewise.
	* gdb.base/scope0.c: Likewise.
	* gdb.base/scope1.c: Likewise.
	* gdb.base/setshow.c: Likewise.
	* gdb.base/setvar.c: Likewise.
	* gdb.base/shmain.c: Likewise.
	* gdb.base/shr1.c: Likewise.
	* gdb.base/shr2.c: Likewise.
	* gdb.base/sigall.c: Likewise.
	* gdb.base/signals.c: Likewise.
	* gdb.base/so-indr-cl.c: Likewise.
	* gdb.base/solib2.c: Likewise.
	* gdb.base/structs.c: Likewise.
	* gdb.base/sum.c: Likewise.
	* gdb.base/vforked-prog.c: Likewise.
	* gdb.base/watchpoint.c: Likewise.
	* gdb.reverse/shr2.c: Likewise.
	* gdb.reverse/until-reverse.c: Likewise.
	* gdb.reverse/ur1.c: Likewise.
	* gdb.reverse/watch-reverse.c: Likewise.

1 files changed, 0 insertions, 29 deletions

diff --git a/gdb/testsuite/gdb.reverse/until-reverse.c b/gdb/testsuite/gdb.reverse/until-reverse.c
index 28c71b200c8..80581b43723 100644
--- a/gdb/testsuite/gdb.reverse/until-reverse.c
+++ b/gdb/testsuite/gdb.reverse/until-reverse.c
@@ -18,34 +18,20 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-#ifdef PROTOTYPES
 extern int marker1 (void);
 extern int marker2 (int a);
 extern void marker3 (char *a, char *b);
 extern void marker4 (long d);
-#else
-extern int marker1 ();
-extern int marker2 ();
-extern void marker3 ();
-extern void marker4 ();
-#endif
 
 /*
  *	This simple classical example of recursion is useful for
  *	testing stack backtraces and such.
  */
 
-#ifdef PROTOTYPES
 int factorial(int);
 
 int
 main (int argc, char **argv, char **envp)
-#else
-int
-main (argc, argv, envp)
-int argc;
-char *argv[], **envp;
-#endif
 {
     if (argc == 12345) {  /* an unlikely value < 2^16, in case uninited */ /* set breakpoint 6 here */
 	fprintf (stderr, "usage:  factorial <number>\n");
@@ -65,12 +51,7 @@ char *argv[], **envp;
     return argc;  /* set breakpoint 10 here */
 } /* set breakpoint 10a here */
 
-#ifdef PROTOTYPES
 int factorial (int value)
-#else
-int factorial (value)
-int value;
-#endif
 {
   if (value > 1) {  /* set breakpoint 7 here */
 	value *= factorial (value - 1);
@@ -78,12 +59,7 @@ int value;
     return (value); /* set breakpoint 19 here */
 }
 
-#ifdef PROTOTYPES
 int multi_line_if_conditional (int a, int b, int c)
-#else
-int multi_line_if_conditional (a, b, c)
-  int a, b, c;
-#endif
 {
   if (a    /* set breakpoint 3 here */
       && b
@@ -93,12 +69,7 @@ int multi_line_if_conditional (a, b, c)
     return 1;
 }
 
-#ifdef PROTOTYPES
 int multi_line_while_conditional (int a, int b, int c)
-#else
-int multi_line_while_conditional (a, b, c)
-  int a, b, c;
-#endif
 {
   while (a /* set breakpoint 4 here */
       && b