From b8c9897cf16ce36657ec28d73bc2eee330c38882 Mon Sep 17 00:00:00 2001
From: robxnano <89391914+robxnano@users.noreply.github.com>
Date: Sat, 8 Apr 2023 09:56:31 +0100
Subject: [PATCH] Replace C++ style comments for ANSI C compatibility

Allows successful compilation with -std=c89 -D_XOPEN_SOURCE=500
on Linux gcc.
---
 GUI/xephem/earthmenu.c | 4 ++--
 GUI/xephem/net.h       | 4 ++--
 libastro/riset_cir.c   | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/GUI/xephem/earthmenu.c b/GUI/xephem/earthmenu.c
index 04aecdf..0557d98 100644
--- a/GUI/xephem/earthmenu.c
+++ b/GUI/xephem/earthmenu.c
@@ -3376,7 +3376,7 @@ short *xp, *yp;		/* projected location onto drawing surface */
 	    unsigned h = d + 2*hb;
 	    double dL;
 
-	    // *yp = (int)floor(h/2.0 * (1.0 - sin(pl)) + 0.5);
+	    /* *yp = (int)floor(h/2.0 * (1.0 - sin(pl)) + 0.5); */
 	    *yp = (int)floor(h/2.0 * (1.0 - 2*pl/PI) + 0.5);
 
 	    dL = pL - elng;
@@ -3640,7 +3640,7 @@ double *ltp, *lgp;	/* resulting lat/long, rads */
 	    if (x < 0 || x >= maxx || y < 0 || y >= maxy)
 		return (0);
 
-	    //*ltp = asin (1.0 - 2.0*y/maxy);
+	    /* *ltp = asin (1.0 - 2.0*y/maxy); */
 	    *ltp = PI * (1.0 - 2.0*y/maxy) / 2;
 
 	    *lgp = 2*PI*(x - maxx/2)/maxx + elng;
diff --git a/GUI/xephem/net.h b/GUI/xephem/net.h
index 879b865..fd8c3cc 100644
--- a/GUI/xephem/net.h
+++ b/GUI/xephem/net.h
@@ -23,8 +23,8 @@
 #include <openssl/ssl.h>
 
 typedef struct {
-	int fd;		//file desciptor for the underlying connection socket
-	SSL *ssl;	//ssl connection for use with SSL_read( )and SSL_write()
+	int fd;		/* file desciptor for the underlying connection socket */
+	SSL *ssl;	/* ssl connection for use with SSL_read( )and SSL_write() */
 } XE_SSL_FD;
 
 /* support functions */
diff --git a/libastro/riset_cir.c b/libastro/riset_cir.c
index 648c791..2793fe7 100644
--- a/libastro/riset_cir.c
+++ b/libastro/riset_cir.c
@@ -308,7 +308,7 @@ Obj *op)	/* working object -- returns as answer */
 		return (-3);
 
 	} while (fabs(dt)>TMACC);
-	// fprintf (stderr, "%s 0alt npasses = %d\n", op->o_name, npasses);
+	/* fprintf (stderr, "%s 0alt npasses = %d\n", op->o_name, npasses); */
 
 	/* return codes */
 	return (fabs(mjdn-mjd) < .5 ? 0 : -2);