#include <stdio.h>

#define MAXFILES	10
#define STRSZ		256
#define SEPCHR		';'

main(int argc, char **argv)
{
	FILE * inputfile[MAXFILES];
	char s[STRSZ];
	int nfiles=argc;
	int done = 0;

	if( --nfiles == 0 )
	{
		fprintf(stderr,"Uso: %s file [file...]\n",argv[0]);
		exit(-2);
	}

	while(--argc>0)
	{
		if ((inputfile[argc-1]=fopen(argv[argc],"r"))==NULL)
		{
			perror("open");
			exit(-1);
		}
	}

	while( !done )
	{
		for( argc = 0; argc < nfiles ; )
		{
			done= (NULL==fgets(s,STRSZ,inputfile[argc]));
			if (done) break;
			s[strlen(s)-1]=0x00;
			printf( "%s%c", s,++argc==nfiles?'\n':SEPCHR);
		}

	}
	

	for( argc = 0; argc < nfiles ; argc++)
		fclose( inputfile[argc] );

}