#include <stdio.h>
#include <stdlib.h>

#define MAX_LEN 4096

int main ( int argc, char **argv )
{
    FILE *fin, *fout;
    char str[MAX_LEN];

    if ( argc != 3 ) {
        printf("### You need two files.\n");
        exit (EXIT_FAILURE);
    }
    if ((fin = fopen(argv[1],"r")) == NULL ) {
        printf("### fopen() failed, file [%s].\n", 
               argv[1]);
        exit (EXIT_FAILURE);
    }
    if ((fout = fopen(argv[2],"w")) == NULL ) {
        printf("### fopen() failed, file [%s].\n", 
                argv[2]);
        exit (EXIT_FAILURE);
    }


    while ( fgets(str, MAX_LEN-1, fin) != NULL ) {
        if ( fputs(str, fout) < 0 ) {
            printf("### fputs() failed, [%s].\n", 
                   argv[2]);
        }
    }

    fclose( fin );    fclose( fout );

    return EXIT_SUCCESS;
}