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

char split(char *s) {

 char *ss;
 int r = 0;
 int i = 0;

 while (s[i] != EOF)
   i++;

 int j = 0;

 for (j = 0; j < i; j++)
   if (s[j] == '/n' || s[j] == '/t' || s[j] == ' ')
       r = j;

 for (j = 0; j < r; j++)
   strcat (ss, s[j]);

  return ss;

}

int main (void) {

while (1) {

printf ("osh> ");
scanf ("%s", &text);

name = split (text);

if (strcmp (name , "quit") == 1)
  exit (0);

else {
  strcat (history, "|");
  strcat (history, name);
}

 pid_t pid;
  int status;
  if ((pid = fork())< 0){
   printf("*** ERROR: forking child process failed\n");
           exit(1);
  }
  else if (pid == 0) {
         if (execvp(*name, name) < 0) {
               printf("*** ERROR: exec failed\n");
               exit(1);
         }
     }
     else {
         while (wait(&status) != pid)
     }



}