Count total number of words in a sentence

Posted on Apr 20, 2020

C program to count the total number of words in a sentence.

Program

#include<stdio.h>
#include<conio.h>
#define MAX 50

void main()
{
	char str[MAX], prev_char;
    int i, word;

    printf("Enter the string\t:");
    gets(str);

    word = 0;
    i = 0;
    prev_char = '\0';

    while(1)
    {
        if(str[i] == ' ' || str[i] == '\t' || str[i] == '\0')
        {
            if(prev_char!=' ' && prev_char!='\t' && prev_char!='\0')
            {
                word++;
            }
        }
        prev_char = str[i];
        if(str[i] == '\0')
            break;
        else
            i++;
    }

    printf("\nNumber of words\t:%d",word);

    getch();
}

Output

Enter the string        :welcome to coursecrux.com.   happy coding!!

Number of words :5