C program to delete words from sentence.

#include<stdio.h>
#include<conio.h>
#include<string.h>
void main()
{
    clrscr();
    int i, j = 0, k = 0, count = 0;
    char str[100], str1[10][20], word[20];
    printf("Enter the String : ");
    gets(str);


    for (i=0; str[i]!='\0'; i++)
    {
 if (str[i]==' ')
 {
     str1[k][j] = '\0';
     k++;
     j=0;
 }
 else
 {
     str1[k][j]=str[i];
     j++;
 }
    }
    str1[k][j] = '\0';
    printf("Enter a word you want to delete: ");
    scanf("%s", word);

    

    for (i=0; i<k+1; i++)
    {
 if (strcmp(str1[i], word) == 0)
 {
     for (j=i; j<k+1; j++)
   {
    strcpy(str1[j], str1[j + 1]);
    k--;
   }
 }

    }
    printf("After Deleting : \n");
    for (i=0; i<k+1; i++)
    {
 printf("%s ", str1[i]);
    }
    getch();
}