/*
 * SPDsoft 98
 * Replacement for the SunOS 4.x rev(1)
 * rev - reverse the order of characters in each line
 * rev [ filename ] ...
 */

#include <stdio.h>

int main(int argc, char **argv)
{
	char	str[2048];
	int		i, j;
	FILE	*f;

	if (argc == 1)
		argc++;

	for( argv++ ; argc > 1; argv++, argc--)
	{
		if ( *argv == NULL )
			f=stdin;
		else
			if ( NULL == ( f=fopen(*argv, "r")))
				perror(*argv);

		if ( f != NULL )
		{
			fgets(str,sizeof(str),f);
			while (!feof(f))
			{
				if (str[0] != 0) 
				{
					i = strlen(str) - 2;
					j = 0;
					while (j < i)
					{
						str[j] ^= str[i]; 
						str[i] ^= str[j]; 
						str[j++] ^= str[i--]; 
					}
				}
				fputs(str,stdout);
				fgets(str,sizeof(str),f);
			}
			fclose(f);
		}
	}
	exit (0);
}