[C][praktyki] wyszukuje w kodzie pobranej strony dane slowo

#include <stdio.h>
#include <stdlib.h>
#include <iostream>
#include <curl/curl.h>
#include <regex.h>
#include <fstream>

using namespace std;

int getFileSize(const string &fileName){

	ifstream file (fileName.c_str(), ifstream::in | ifstream::binary);
	if(!file.is_open()){
		return(-1);
	}
	file.seekg(0,ios::end);
	int fileSize = file.tellg();
	file.close();
	return fileSize;
}

size_t write_data(void *ptr, size_t size, size_t nmemb, FILE *plik){
	size_t written = fwrite(ptr,size,nmemb,plik);
	return written;
}

int main(int args, char* argv[2]){

	CURL *curl;
	curl = curl_easy_init();
	CURLcode res;
	FILE *plik;
	plik = fopen("text.txt","a+");
	int lngh = getFileSize("text.txt");
	if(lngh==0){
		if(curl){

			curl_easy_setopt(curl,CURLOPT_USERAGENT,"Mozilla/5.0 Gecko/20100101 Firefox/33.1" );

			curl_easy_setopt(curl,CURLOPT_URL,argv[1]);//pobiera url
			curl_easy_setopt(curl, CURLOPT_POST, 1);//
 			curl_easy_setopt(curl, CURLOPT_POSTFIELDS,"title=CURL&action=edit");
 			curl_easy_setopt(curl,CURLOPT_WRITEFUNCTION,write_data);
			curl_easy_setopt(curl,CURLOPT_WRITEDATA,plik);

			res = curl_easy_perform(curl);
			if(res != CURLE_OK){
				cout<<"curl_easy_perform() failed \n";
				return(1);
			}
			curl_easy_cleanup(curl);
			fclose(plik);
		}
	}
	FILE *file;
	file = fopen("text.txt","r");
	int status;
	regmatch_t pm;
	char msgbuf[100];
	regex_t myRegex;

	char *buffer;
	size_t result;
	long lsize;
	int sizeWord;
	char *next=NULL;
	int number = 0;

	if(!file)return 1;

	fseek(file,0,SEEK_END);
	lsize = ftell(file);
	rewind(file);

	buffer= (char*)malloc (sizeof(char)*lsize);
	if (buffer == NULL){
		cout<<"BUFFER MA WARTOSC NULL \n";
		return(1);
	}
	result =fread(buffer,1,lsize,file);
	if(result !=lsize){
		cout<<"BLAD ODCZYTU";
		return(1);
	}
	status= regcomp(&myRegex,argv[2],REG_EXTENDED | REG_ICASE);
        if(status){
		cout<<"nie mozna skompilowac regex\n";
		exit(1);
	}

	next = buffer;
	while(!status){

      		status = regexec(&myRegex,next,1,&pm,REG_EXTENDED|REG_ICASE);

		cout<<endl<< "STATUS: ";
		if( !status ){
			number += 1;

			cout<<"Wystapienie nr: "<<number<<endl;
			cout<< "slowo stoi na pozycji: "<< pm.rm_so <<"-"<<pm.rm_eo<< endl;
			sizeWord = pm.rm_eo - pm.rm_so;
			cout<< "dlugosc slowa: " << sizeWord<< endl;
			cout<<"slowo brzmi: ";
			for(int i = pm.rm_so; i<pm.rm_eo; i++){
				cout<<next[i];
			}
			cout<<endl<<endl;

        	}
		else if( status == REG_NOMATCH ){
         	 	puts("No match");
       		 }
       		else{
               		regerror(status, &myRegex, msgbuf, sizeof(msgbuf));
               		fprintf(stderr, "Regex match failed: %s\n", msgbuf);
               		exit(1);
		}
	next+=pm.rm_eo;
	}
	fclose(file);
	return 0;
}