wc.c

#include<stdio.h>
#include<fcntl.h>
#include<unistd.h>
#include<sys/stat.h>
#include<sys/types.h>
int main(int argc , char *argv[])
{
	int character_count = 0;
	int space_count = 0;
	int word_count = 0;
	int line_count = 0;
	char ch;

	FILE *fp;

	if(argc == 0)
	{
		printf("Please specify the filename as argument\n");
		_exit(0);
	}

	if(fp != 0)
	{
		printf("No such file or directory\n");
		_exit(0);
	}
	fp = fopen(argv[1],"r");

	while((ch=fgetc(fp))!=EOF)
	{
		character_count++;
		if(ch == ' ')
		{
			space_count++;
			word_count++;
		}
		if(ch == '\n')
		{
			line_count++;
		}
	}
	printf("character_count = %d\n",character_count);
	printf("space_count = %d\n",space_count);
	printf("word_count = %d\n",word_count+1);
	printf("line_count = %d\n",line_count);


}