Finding Maximum number of Concurrent processes .

/* Finding Maximum number of Concurrent processes */
# include < stdio.h>
# include < stdlib.h>
# include < unistd.h>
# include < signal.h>
# include < sys/wait.h>

void main()
{
    int cnt,pid;
    for(cnt=0;;cnt++)
    {
        pid = fork();
        if(pid==-1)
        {
        printf("Maximum Number Of Concurrent Process Per User %d
 ",cnt);   
        }
        if(pid!=0)
        {
            wait(0);
            exit(0);
        }
    }
}