replacements.h

#ifndef FS_H
#define FS_H

#ifndef EOF
#define EOF (-1)
#endif

typedef unsigned long size_t;
typedef int off_t;

//#include <stdio.h>
#define O_RDONLY 0x0000
#define O_WRONLY 0x0001
#define O_RDWR   0x0002

#ifndef NULL
#define NULL (void *)0
#endif
#define printf_err(...)

//#include <string.h>
#ifndef _STRING_H_
void * memset(void *, int, unsigned long);
void * memcpy(void *, const void *, unsigned long);
char * strcpy(char *, const char *);
unsigned long strlen(const char *);
int strcmp(const char *, const char *);
#endif

#endif