#ifndef __libc_unistd_h__ #define __libc_unistd_h__ #include "fs_common.h" #include "fatfile.h" #include "fs_api.h" #ifdef __cplusplus extern "C" { #endif extern int close(int fildes); extern int lseek(int fildes, int offset, int whence); extern int read(int fildes, void* buf, size_t len); extern int write(int fildes, const void* buf, size_t len); #ifdef __cplusplus } #endif #endif