1 /* 2 * unistd.h 3 */ 4 5 #ifndef _UNISTD_H 6 #define _UNISTD_H 7 8 #include <klibc/extern.h> 9 #include <klibc/compiler.h> 10 #include <stddef.h> 11 #include <sys/types.h> 12 13 __extern __noreturn _exit(int); 14 15 __extern int open(const char *, int, ...); 16 __extern int close(int); 17 18 __extern ssize_t read(int, void *, size_t); 19 __extern ssize_t write(int, const void *, size_t); 20 21 __extern int isatty(int); 22 23 __extern int getscreensize(int, int *, int *); 24 25 __extern char *getcwd(char *, int); 26 __extern int chdir(const char *); 27 28 __extern unsigned int sleep(unsigned int); 29 __extern unsigned int msleep(unsigned int); 30 31 __extern int getopt(int, char *const *, const char *); 32 __extern char *optarg; 33 __extern int optind, opterr, optopt; 34 35 /* Standard file descriptor numbers. */ 36 #define STDIN_FILENO 0 37 #define STDOUT_FILENO 1 38 #define STDERR_FILENO 2 39 40 #endif /* _UNISTD_H */ 41
