Write a program to replace each string of one or more blanks by a single blank in c

Description:

• Input string:
  
• Pointers         are      sharp           knives.
  

• Output String:
  
• Pointers are sharp knives.
  

• Blank can be spaces or tabs. (replace with single space).
  

Pr-requisites:-

• Functions
  
• Pointers

Objective: -

• To understand the concept of
  
• Functions, Arrays, and Pointers
  

Inputs: -

• String with multi-spaces between words
  

Sample execution: -

Test Case 1:

Enter the string with more spaces in between two words

Pointers     are               sharp     knives.
Pointers are sharp knives.

Test Case 2:

Enter the string with more spaces in between two words
Welcome                to Emertxe

Welcome to Emertxe

Test Case 1:

Enter the string with more spaces in between two words
Welcome to india

Welcome to india

PROGRAM 

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#include <stdio.h>
#include<string.h>
void space(char str[])
{
    int i,k=0;
    while(str[k]!='\0')
    {
        if((str[k]==' ' && str[k+1]==' ') || (str[k]=='\t' && str[k+1]=='\t'))
        {
            i=k;
            while(str[i]!='\0')
            {
                str[i]=str[i+1];
                i++;
            }
             k--;
        }
        k++;
    }
}
int main()
{
    char str[200];
    
   // printf("Enter the string with more spaces in between two words\n");
    scanf("%[^\n]", str);
    
   space(str);
    
    printf("%s\n", str);
}
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