Remove all spaces from a given string

C program to remove all spaces from a given string.

Program

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

void main()
{
	char str[MAX];
    int i, j, len, pos;

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

    len = strlen(str);

    for(i=0;i<len;i++)
    {
        if(str[i] == ' ' || str[i] == '\t')
        {
            pos = i+1;
            for(j=pos-1;j<len;j++)
            {
                str[j] = str[j+1];
            }
            len = len-1;
            i--;
        }
    }

    str[len] = '\0';

    printf("\nModified string\t:%s",str);

    getch();
}

Output

Enter the string        :welcome to     coursecrux.com

Modified string :welcometocoursecrux.com