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

typedef long long count_t;
typedef enum {false,true} bool;

count_t  c_word(char *filename, count_t *,count_t *);

int main(int argc,char *argv[])
{
count_t file_lines,file_char,file_words,total_char,total_lines,total_words;
unsigned int i;
if(argc<2)
	{
	fprintf(stderr,"Usage: mywc FILE [FILE...]\n");
	exit(1);
	}
total_char=total_lines=total_words=0;
for(i=1;i<argc;i++)
	{
	file_char=c_word(argv[i],&file_lines,&file_words);
	if(file_char!=-1)		//if c_word can't read from file returns -1
		{
		printf("%lld %lld %lld %s\n",file_lines,file_words,file_char,argv[i]);
		total_char+=file_char;
		total_lines+=file_lines;
		total_words+=file_words;
		}
	}
if(argc>2)
	printf("%lld %lld %lld  totale\n",total_lines,total_words,total_char);
return 0;
}


count_t c_word(char *filename,count_t *n_lines, count_t *n_words)
{
int c;
count_t n_char;
bool in_word;
FILE *fp=fopen(filename,"r");
if(fp==NULL)
	{
	fprintf(stderr,"mywc %s: ",filename);
	perror("");	
	return -1;
	}
n_char=0;
*n_lines=*n_words=0;
in_word=false;
while( (c=fgetc(fp))!=EOF)
	{
	n_char++;	
	if(c=='\n')
		(*n_lines)++;
	if (c == ' ' || c == '\n' || c == '\t')
		in_word=false;
	else if(!in_word)
		{
		in_word=true;
		(*n_words)++;
		}
	}
return n_char;
}