C / C++ / MFC

#include <stdio.h><br />
#include <string.h><br />
#include <stdlib.h><br />
void main()<br />
{<br />
    char *arr[5];//for the command and his parameter<br />
    char command[10];<br />
    int i,j;<br />
    char *path=NULL,*tempath,*finalpath,*commandandparameters;<br />
    do<br />
    {<br />
        i=0;<br />
        printf("enter new command:");<br />
        gets(command);<br />
        arr[i]=strtok(command," ");<br />
        while(arr[i]!=NULL)//save the command and also the parametrs<br />
        {<br />
            i++;<br />
            arr[i]=strtok(NULL," ");<br />
        }<br />
        strcpy(commandandparameters,arr[0]);//add first command<br />
        for(j=1;j<i;j++)//add the parameters<br />
            {<br />
                strcat(commandandparameters," ");<br />
                strcat(commandandparameters,arr[j]);<br />
            }<br />
        //now we check if the command in every path<br />
        path = getenv("PATH");<br />
        tempath = strtok(path,":");<br />
        while (tempath != NULL)<br />
        {<br />
            strcpy(finalpath,tempath);//get the current path<br />
            puts(commandandparameters);<br />
            strcat(finalpath,"/");//we add '/'<br />
            execl(finalpath,commandandparameters,NULL);<br />
            tempath = strtok(NULL, ":");//get next path<br />
        }<br />
    }while(command!="leave");<br />
}