#include <stdio.h>

main(int argc,char *argv[])
{
int fieldnumber=1,check=0;
FILE *fp;
char ch;

fp=fopen(argv[1],"r");
printf("field%d : ",fieldnumber);
while((ch=fgetc(fp))!=EOF){

if(ch==' '||ch=='\n'||ch=='\t'){
if(check==0){
fieldnumber++;
printf("\nfield%d : ",fieldnumber);
check=1;
}
}

else{
check=0;
putchar(ch);
}
}

printf(" <<<end of file>>>\n");
fclose(fp);
}