/* 
 * Library of user space routines.  Most of these are direct
 *   wrappers for system calls.
 *
 */

#include <stddef.h>

typedef unsigned short Keycode;

int Null( void );
void Exit( void );
int Print_String( const char* message);
Keycode Get_Key( void );
int Spawn_Program(char* program);
int Wait( unsigned int pid );

void *Malloc_Atomic(unsigned int size);

void* memset( void* s, int c, size_t n );
void* memcpy( void *dst, const void* src, size_t n );
size_t strlen( const char* s );
int strcmp( const char* s1, const char* s2 );
char *strcat(char *s1, char *s2);
char *strdup(char *s1);
char *strcpy(char *s1, char *s2);