text: #ifndef PROCESS_H
  #define PROCESS_H
  
  #include <stdint.h>
  #include <stdio.h>
  #include <stdlib.h>
  
  #define STEP 10
  #define BUFFERSIZE 1024
  
  typedef void * (*function)(void *);
  
  void freeParams(char ** argv);
  void parseParams(char * command, int * argc, char *** argv);
  int exec(char * command);
  int execv(char * filename, int argc, char * argv[]);
  int pthread_create(void *(*startRoutine)(void*), void * arg);
  void pthread_exit();
  int getPid();
  int getVar(char * name,char* buffer);
  void ps(char * buffer);
  void kill(int pid);
  void keyBlock(char key);
  void unblock(int pid);
  void exit(int value);
  
  #endif
  