/* 
  Read CEReS AVHRR data 
  for: gcc 
  made by: Atsushi Higuchi, CEReS, Chiba Univ. Japan

Version history:
ver.0.1 27 dec 2006: start make program
*/
#include <stdio.h>
#include <stdlib.h>
#define	 pixel 6378
#define	 line  5562
#define  header 80
FILE	*fpi, *fpo;
/* open file sub-rutine */
int	open_file(inname, outname)
char	*inname, *outname;
{
	if((fpi = fopen(inname, "rb")) == NULL){
		printf("don't open %s!\n", inname);
		return(-1);
	}
	if((fpo = fopen(outname, "wb")) == NULL){
		printf("don't write %s!\n", outname);
		return(-1);
	}
return(0);
}
/* main */
int	main(argc, argv)
int	argc;
char	*argv[];
{
int	i;
signed short input[pixel];
	if(argc !=3){
	printf("Usage: program [input] [output]\n", argv[0]);
	exit(-1);
	}
	open_file(argv[1], argv[2]);
	/* skip header byte */
	fseek(fpi, header, SEEK_SET);
	/* read & write 1line each */
	for(i=0;i<line;i++){
	fread (input, sizeof(signed short), pixel, fpi);
	fwrite(input, sizeof(signed short), pixel, fpo);
	}
return(0);
}