Write a C program to count the number of email on text
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Answer / Ashish Kumar Vimal
Here's a simple C program that counts the number of emails in a given text file. This example assumes emails are enclosed between '<' and '>' brackets, with '@' separating the local and domain names.nn```cn#include <stdio.h>n#include <stdlib.h>n#include <string.h>nnvoid count_emails(FILE *fp);nint main() {n FILE *fp;n char filename[100];n printf("Enter the file name: ");n scanf("%s", filename);n fp = fopen(filename, "r");n if (fp == NULL) {n perror("Error opening file.");n return 1;n }n count_emails(fp);nfclose(fp);n return 0;n}nnvoid count_emails(FILE *fp) {n int total = 0,n local = 0,n domain = 0;n char ch;n while ((ch = fgetc(fp)) != EOF) {n if (ch == '<') {n local = 1;n }n if (ch == '>') {n if (local == 1 && ch == '@') {n local = 2;n domain = 1;n }n if (domain == 1 && isalpha(ch)) {n domain++;n }n if (local != 2) {n local = 0;n }n }n if (domain == 3) {n total++;n domain = 0;n }n }n printf("Number of emails: %d", total);n}n```
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