#ifndef _UNISTD_H #define _UNISTD_H /* NOTE: * in prototypes used here, do *not* use things * like size_t, uid_t, etc., since these * may not be defined. Use the macros * from instead. */ #ifndef _COMPILER_H #include #endif #ifdef __cplusplus extern "C" { #endif /* see Posix standard -- 1003.1 sect 2.10 */ #ifndef NULL #define NULL __NULL #endif #ifndef F_OK /* file access stuff */ #define F_OK 0 #define X_OK 1 #define W_OK 2 #define R_OK 4 #endif #ifndef SEEK_SET /* lseek() origins */ #define SEEK_SET 0 /* from beginning of file */ #define SEEK_CUR 1 /* from current location */ #define SEEK_END 2 /* from end of file */ #endif #define _POSIX_JOB_CONTROL #if 0 #define _POSIX_VERSION 0L /* <- NON-CONFORMING */ #endif #define _POSIX_CHOWN_RESTRICTED 0 #define _POSIX_VDISABLE 0 #if 0 /* this depends on the file system */ #define _POSIX_NO_TRUNC -1 #endif /* 1003.1 section 8.2.1.2 */ #define STDIN_FILENO 0 #define STDOUT_FILENO 1 #define STDERR_FILENO 2 /* sysconf() values */ #define _SC_LAST -1 /* max limit # for sysconf - NOT POSIX */ #define _SC_MEMR_MAX 0 /* memory regions per process - NOT POSIX */ #define _SC_ARG_MAX 1 /* max length of cmdln - NOT quite POSIX */ #define _SC_OPEN_MAX 2 /* max # of open files per process - POSIX */ #define _SC_NGROUPS_MAX 3 /* max # supp gids - POSIX */ #define _SC_CHILD_MAX 4 /* max # processes/user - NOT quite POSIX */ /* pathconf() values */ #define _PC_LAST -1 /* max limit # for pathconf - POSIX (!?) */ #define _PC_IOPEN_MAX 0 /* internal limit on open files - NOT POSIX */ #define _PC_LINK_MAX 1 /* max # of links - POSIX */ #define _PC_PATH_MAX 2 /* max len of a full pathname - POSIX */ #define _PC_NAME_MAX 3 /* max len of individual name - POSIX */ #define _PC_PIPE_BUF 4 /* bytes written atomically to fifo - POSIX */ #define _PC_NO_TRUNC 5 /* filename truncation - POSIX */ #ifdef __MINT__ # ifndef _POSIX_SOURCE /* flock() commands */ # define F_ULOCK 0 /* unlock */ # define F_LOCK 1 /* lock */ # define F_TLOCK 2 /* test and lock (non-blocking) */ # define F_TEST 3 /* test */ __EXTERN int lockf __PROTO((int, int, long)); # endif #endif /* __MINT__ */ __EXTERN __EXITING _exit __PROTO((int)) __NORETURN; __EXTERN int access __PROTO((const char *, int)); __EXTERN unsigned alarm __PROTO((unsigned)); __EXTERN int chdir __PROTO((const char *)); __EXTERN int chown __PROTO((const char *, int, int)); __EXTERN int close __PROTO((int)); __EXTERN int dup __PROTO((int)); __EXTERN int dup2 __PROTO((int, int)); __EXTERN int execl __PROTO((const char *, ...)); __EXTERN int execle __PROTO((const char *, ...)); __EXTERN int execlp __PROTO((const char *, ...)); __EXTERN int execv __PROTO((const char *, char *const *)); __EXTERN int execve __PROTO((const char *, char *const *, char *const *)); __EXTERN int execvp __PROTO((const char *, char *const *)); __EXTERN int fork __PROTO((void)); __EXTERN char * getcwd __PROTO((char *, int)); __EXTERN _GID_T getegid __PROTO((void)); __EXTERN _UID_T geteuid __PROTO((void)); __EXTERN _GID_T getgid __PROTO((void)); __EXTERN int getgroups __PROTO((int, _GID_T *)); __EXTERN char * getlogin __PROTO((void)); __EXTERN int getpid __PROTO((void)); __EXTERN int getppid __PROTO((void)); __EXTERN _UID_T getuid __PROTO((void)); __EXTERN int isatty __PROTO((int)); __EXTERN int link __PROTO((const char *oldname, const char *newname)); __EXTERN long lseek __PROTO((int, long, int)); __EXTERN int pause __PROTO((void)); __EXTERN int pipe __PROTO((int *)); __EXTERN long pathconf __PROTO((const char *, int)); __EXTERN int rmdir __PROTO((const char *)); __EXTERN int read __PROTO((int, void *, unsigned)); __EXTERN int setgid __PROTO((int)); __EXTERN int setuid __PROTO((int)); __EXTERN unsigned sleep __PROTO((unsigned int)); __EXTERN long sysconf __PROTO((int)); __EXTERN char * ttyname __PROTO((int)); __EXTERN int unlink __PROTO((const char *)); __EXTERN int write __PROTO((int, const void *, unsigned)); #ifndef _POSIX_SOURCE __EXTERN int _bsd_getpgrp __PROTO((int)); __EXTERN int _bsd_setpgrp __PROTO((int, int)); __EXTERN char * getwd __PROTO((char *)); __EXTERN int getopt __PROTO((int, char * const *, const char *)); __EXTERN int getpagesize __PROTO((void)); __EXTERN char * getpass __PROTO((const char *prompt)); __EXTERN char * initstate __PROTO((unsigned int seed, char *arg_state, int n)); /* be careful with this and Gcc, where strings are really constants */ __EXTERN char * mktemp __PROTO((char *)); __EXTERN void psignal __PROTO((int, const char *)); __EXTERN long random __PROTO((void)); __EXTERN long _read __PROTO((int, void *, unsigned long)); __EXTERN int readlink __PROTO((char *filename, char *linkto, int siz)); __EXTERN void * sbrk __PROTO((__SIZE_TYPEDEF__)); __EXTERN void * _sbrk __PROTO((long)); __EXTERN int setegid __PROTO((int)); __EXTERN int seteuid __PROTO((int)); __EXTERN int setregid __PROTO((int, int)); __EXTERN int setreuid __PROTO((int, int)); __EXTERN char * setstate __PROTO((char *arg_state)); __EXTERN void sigpause __PROTO((long mask)); __EXTERN void srandom __PROTO((unsigned int seed)); __EXTERN int stime __PROTO((long *)); __EXTERN int symlink __PROTO((const char *oldname, const char *newname)); __EXTERN long tell __PROTO((int)); __EXTERN void usleep __PROTO((unsigned long)); __EXTERN int vfork __PROTO((void)); __EXTERN long _write __PROTO((int, const void *, unsigned long)); #ifndef __MINT__ #define lread _read /* backwards compatibility, likely to go away */ #define lwrite _write /* backwards compatibility, likely to go away */ #endif /* __MINT__ */ #endif /* _POSIX_SOURCE */ #ifdef __SOZOBON__ #define lsbrk _sbrk /* backwards compatibility, don't use */ #endif #if defined (_BSD_SOURCE) && !defined(_POSIX_SOURCE) #define getpgrp _bsd_getpgrp #define setpgrp _bsd_setpgrp #else /* not _BSD_SOURCE */ __EXTERN _PID_T getpgrp __PROTO((void)); #ifndef _POSIX_SOURCE __EXTERN int setpgrp __PROTO((void)); #endif /* _POSIX_SOURCE */ #endif /* not _BSD_SOURCE */ __EXTERN int setpgid __PROTO((_PID_T, _PID_T)); __EXTERN int setsid __PROTO((void)); __EXTERN _PID_T tcgetpgrp __PROTO((int fd)); __EXTERN int tcsetpgrp __PROTO((int fd, _PID_T pgrp)); #if defined(__cplusplus) } #endif #endif /* _UNISTD_H */