#include <stdio.h>
#include <stdlib.h>
#include <string.h>

int main(int argc, char** argv){
    char buff[1028];
    char p_name[1028];
    int* PIDs = malloc(100*sizeof(int));
    if(argc<2){
        printf("Usage :\nfirst parameter is the name of the program to be killed. it'll then ask you which one that matches do you want to kill\n");
    }
    else if(argv[1][0]=='-'){
        switch(argv[1][1]){
            case 'h':
        printf("Usage :\nfirst parameter is the name of the program to be killed. it'll then ask you which one that matches do you want to kill\n");
        break;
        case 'v':
            printf("v0.0\n");
            default:
                printf("Unknown option : -%c\n",argv[1][1]);
        }
    }
    else{
        char* cmd= malloc(18+strlen(argv[1]));
        sprintf(cmd,"ps aux | grep %s",argv[1]);
        FILE* c = popen(cmd,"r");
        int i=0;
        printf("which one do you want to kill ?\n");
        while(fgets(buff,1028,c)!=NULL){
            sscanf(buff,"%s\t%d\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s\t%s",p_name,PIDs+i,p_name,p_name,p_name,p_name,p_name,p_name,p_name,p_name,p_name);
            printf("%d : %s\n",i,p_name);
            i++;
        }
        scanf("%d",&i);
        sprintf(cmd,"/usr/bin/kill -SIGKILL %d",PIDs[i]);
        system(cmd);
    }
}