unistd.h

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#pragma once
 
#include <ccpp/bits/config.h>
#include <ccpp/bits/getopt_short.h>
#include <ccpp/bits/intptr_t.h>
#include <ccpp/bits/off_t.h>
#include <ccpp/bits/pid_t.h>
#include <ccpp/bits/size_t.h>
#include <ccpp/bits/ssize_t.h>
#include <ccpp/bits/suseconds_t.h>
 
#include __CCPP_PLATFORM_PATH(seek_constants.h)
 
__CCPP_BEGIN_DECLARATIONS
 
unsigned alarm(unsigned __seconds);
 
int usleep(suseconds_t __useconds);
 
off_t lseek(int __fd, off_t __offset, int __whence);
 
int close(int __fd);
ssize_t read(int __fd, void* __buffer, size_t __count);
ssize_t write(int __fd, void const* __buffer, size_t __count);
 
int chdir(char const* __path);
int fchdir(int __fd);
char* getcwd(char* __buffer, size_t __size);
 
int execv(char const* path, char* const argv[]);
int execvp(char const* path, char* const argv[]);
int execve(char const* path, char* const argv[], char* const envp[]);
 
pid_t getpid();
 
int dup(int fd);
 
int isatty(int fd);
 
__CCPP_END_DECLARATIONS