To_find_keywords.c

#include<stdio.h>
#include<conio.h>
#include<string.h>
#include<stdlib.h>
void main()
{
    int i,j,count=0;
    char c='\n';
    char ch;
    FILE *fp;
    char Keyword[32][15]={
      "extern","return","union","const","float","short",
      "auto","double","int","struct","break","else","long",
      "goto","sizeof","voltile","do","if","static","while",
      "unsigned","continue","for","signed","void","default",
      "switch","case","enum","register","typedef","char"
    };
    fp=fopen("file.txt","w");
    if(fp==NULL)
    {
        printf("File not exist");
        exit(1);
    }
    for(i=0;i<32;i++)
    {
        for(j=0;j<strlen(Keyword[i]);j++)
        {
            fputc(Keyword[i][j],fp);
        }
        fputc(c,fp);
    }
    fclose(fp);
    fp=fopen("file.txt","r");
    if(fp==NULL)
    {
        printf("File not exist");
        exit(1);
    }
    ch=fgetc(fp);
    while(!feof(fp))
    {
        if(ch=='\n')
        {   count++;    }
        ch=fgetc(fp);
    }
    fclose(fp);
    printf("%d",count);
}