L2J Server

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#include <stdio.h>#include <signal.h> main (){    int res;    char pid[6];    FILE *fichero;    system("ps -lae | grep señal |tr -s \" \" \":\" | cut -d: -f 4 > resultado.txt");    fichero=fopen("resultado.txt","r+");    fgets(pid,6,fichero);    printf ("%s\n",pid);    fclose(fichero);    printf ("le voi enviar una señal\n");    kill(atoi(pid),SIGKILL); } 

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system("ps -lae | grep señal |tr -s \" \" \":\" | cut -d: -f 4 > resultado.txt");

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 int res; 

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 int res = 0; 

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#include <stdio.h>#include <iostream> #define MAX_BUFFER 1000 using namespace std; string getOutput(string); int main(int argc, char *argv[]){    string val = getOutput("ps -lae | grep señal |tr -s \" \" \":\" | cut -d: -f 4");    cout << val;    return 0;} string getOutput(string cmd){    string data;    FILE *stream;    char buffer[MAX_BUFFER]; // i set it to 1000 chars, don't forget to increase for bigger input stream    stream = popen(cmd.c_str(), "r"); // opens the stream    while(fgets(buffer, MAX_BUFFER, stream) != NULL) // stores the input stream into buffer        data.append(buffer); // while data is stored in the buffer, append to the data string    pclose(stream); // closes the stream    return data;}