C File Handling Programs 11

Question:21
Write a C program to read a file word by word. Further print how many time “this” word is present in the file.
[note: Using the above program we can search any word in the file.]

#include<stdio.h>
 #include<conio.h>
 #include<string.h>
 int main()
 {
    FILE *fp;
    char n[30],fname[20];
    int i=0,len;
    printf("Enter filename to read ");
    scanf("%s",fname);
    fp = fopen(fname, "r");
    //fp = fopen("test10.txt", "r");
    if(fp==NULL)
    {
      printf("Unable to open the file\n");
      getch();
      return(0);
      //exit(1); //header file: stdlib.h
    }
    while(1)
    {
    fscanf(fp, "%s", n); //read  word by word
    if(feof(fp))
    {
      printf("end of file");
      break;
    }
    if(strcmpi(n,"this")==0)
    {
      printf("%s\n",n);
      i++;
    }
    
    }
    fclose(fp);
    printf("total words = %d\n",i);
    getch();
    return(0);
 } 

Question:22
Write a C program to read a file word by word. Further print how many time “is” word is present in the file.
[Using the above program we can search any word in the file.]

#include<stdio.h>
 #include<conio.h>
 #include<string.h>
 int main()
 {
    FILE *fp;
    char n[30],fname[20];
    int i=0,len;
    printf("Enter filename to read ");
    scanf("%s",fname);
    fp = fopen(fname, "r");
    //fp = fopen("test10.txt", "r");
    if(fp==NULL)
    {
      printf("Unable to open the file\n");
      getch();
      return(0);
      //exit(1); //header file: stdlib.h
    }
    while(1)
    {
    fscanf(fp, "%s", n); //read  word by word
    if(feof(fp))
    {
      printf("end of file");
      break;
    }
    if(strcmpi(n,"is")==0)
    {
      printf("%s\n",n);
      i++;
    }
    
    }
    fclose(fp);
    printf("total words = %d\n",i);
    getch();
    return(0);
 } 

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