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To_find_keywords.c
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To_find_keywords.c
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#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);
}