80 lines
2.1 KiB
C
80 lines
2.1 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* Mes --- Maxwell Equations of Software
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* Copyright © 2017,2018 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of Mes.
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*
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* Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MES_UNISTD_H
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#define __MES_UNISTD_H 1
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#if WITH_GLIBC
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#ifndef _GNU_SOURCE
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#define _GNU_SOURCE
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#endif
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#undef __MES_UNISTD_H
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#include_next <unistd.h>
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#else // ! WITH_GLIBC
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#ifndef NULL
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#define NULL 0
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#endif
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#ifndef __MES_OFF_T
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#define __MES_OFF_T
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#undef off_t
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typedef unsigned long off_t;
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#endif
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#ifndef __MES_SIZE_T
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#define __MES_SIZE_T
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#undef size_t
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typedef unsigned long size_t;
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#endif
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#ifndef __MES_SSIZE_T
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#define __MES_SSIZE_T
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#undef ssize_t
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typedef long ssize_t;
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#endif
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#ifndef R_OK
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#define F_OK 0
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#define X_OK 1
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#define W_OK 2
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#define R_OK 4
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#endif
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int access (char const *s, int mode);
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unsigned int alarm (unsigned int seconds);
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#define alarm(x) {eputs ("alarm x="); eputs (itoa (x)); eputs ("\n"); kill (getpid (), 14);}
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#define atexit(x) eputs ("atexit\n")
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int close (int fd);
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int execv (char const *file_name, char *const argv[]);
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int execve (char const *file, char *const argv[], char *const env[]);
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int execvp (char const *file, char *const argv[]);
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int fork ();
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char *getcwd (char *buf, size_t size);
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int isatty (int fd);
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off_t lseek (int fd, off_t offset, int whence);
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ssize_t read (int fd, void *buffer, size_t size);
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int unlink (char const *file_name);
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ssize_t write (int filedes, void const *buffer, size_t size);
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#endif // ! WITH_GLIBC
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#endif // __MES_UNISTD_H
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