diff --git a/src/messages.c b/src/messages.c
--- /dev/null
+++ b/src/messages.c
@@ -0,0 +1,90 @@
+/***************************************************************************
+ * This file is a part of CADS/UVS fits2jpeg conversion software *
+ * Copyright (C) 2012 by CADS/UV Software Team, *
+ * Indian Institute of Astrophysics *
+ * Bangalore 560034 *
+ * cads_AT_iiap.res.in *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
+ ***************************************************************************/
+
+/*Header Definitions*/
+#include "fits2jpeg.h"
+
+/*---------------------------------------------------------------------------*/
+void PRINT_BANNER()
+{
+ printf("\n");
+ printf(" %s %s\n", PROGRAM, VERSION);
+ printf(" Converts fits image files to jpeg\n");
+ printf("-----------------------------------------------------------\n");
+}
+/*---------------------------------------------------------------------------*/
+void usage()
+{
+ printf ("\n Usage: fits2jpeg [options] <fits_file>\n");
+ printf (" Options are: \n");
+ printf (" -h help \n");
+ printf (" -s <scale_type> \n");
+ printf (" scale for output image, where <scale_type> can be: \n");
+ printf (" linear Linear scale, default \n");
+ printf (" sqroot for square root scale \n");
+ printf (" square for quadratic scale \n");
+ printf (" cubic for cubic scale \n");
+ printf (" log for log scale \n");
+ printf (" normalize for linear histogram stretch \n");
+ printf (" equalize for histogram equalization \n");
+ printf (" -c <min>:<max> \n");
+ printf (" Clip output image to min-max range. Eg: \n");
+ printf (" 0:100 Use only values in the range 0-100 \n");
+ printf (" 100:0 Same as above, but negative image \n");
+ printf (" :10 Clip everything above 10 \n");
+ printf (" 10: Clip everything below 10 \n");
+ printf (" -n \n");
+ printf (" Negate the image \n");
+ printf (" -q \n");
+ printf (" quality factor. Defines the jpeg encoding quality \n");
+ printf (" Valid range: 0-100, default value: 100 (max.quality)\n");
+ printf (" -z <zoomfactor> \n");
+ printf (" Resize/Scale output image by <zoomfactor>. Eg: \n");
+ printf (" 0.5 Shrink output to half of input \n");
+ printf (" 2.0 Magnify output to double the size \n");
+ printf (" Output will be written to <fits_file_root>.jpg. Wild card\n");
+ printf (" entries allowed in <fits_file>; For eg: *.fits, m31*.fits\n");
+ printf (" ngc???.fits etc. \n");
+ printf ("-----------------------------------------------------------\n");
+ printf ("Copyright (c) 2012 The CADS Team, IIAp. [GPL v3.0 or later]\n");
+ printf ("Report Bugs to: http://cads.iiap.res.in/bugzilla \n");
+ printf ("Documentation : http://cads.iiap.res.in/software \n\n");
+ exit(1);
+}
+
+void printinfo(const char * msg)
+{
+ fprintf(stdout, "INFO : %s\n", msg);
+}
+
+void printwarn(const char * msg)
+{
+ fprintf(stdout, "WARNING: %s\n", msg);
+}
+
+void printerro(const char * msg)
+{
+ fprintf(stderr, "ERROR : %s\n", msg);
+ exit(EXIT_FAILURE);
+}
+