nkeynes@185 | 1 | /*
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nkeynes@185 | 2 | * Copyright (c) 1990 The Regents of the University of California.
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nkeynes@185 | 3 | * All rights reserved.
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nkeynes@185 | 4 | *
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nkeynes@185 | 5 | * Redistribution and use in source and binary forms are permitted
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nkeynes@185 | 6 | * provided that the above copyright notice and this paragraph are
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nkeynes@185 | 7 | * duplicated in all such forms and that any documentation,
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nkeynes@185 | 8 | * advertising materials, and other materials related to such
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nkeynes@185 | 9 | * distribution and use acknowledge that the software was developed
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nkeynes@185 | 10 | * by the University of California, Berkeley. The name of the
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nkeynes@185 | 11 | * University may not be used to endorse or promote products derived
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nkeynes@185 | 12 | * from this software without specific prior written permission.
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nkeynes@185 | 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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nkeynes@185 | 14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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nkeynes@185 | 15 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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nkeynes@185 | 16 | *
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nkeynes@185 | 17 | * @(#)stdio.h 5.3 (Berkeley) 3/15/86
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nkeynes@185 | 18 | */
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nkeynes@185 | 19 |
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nkeynes@185 | 20 | /*
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nkeynes@185 | 21 | * NB: to fit things in six character monocase externals, the
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nkeynes@185 | 22 | * stdio code uses the prefix `__s' for stdio objects, typically
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nkeynes@185 | 23 | * followed by a three-character attempt at a mnemonic.
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nkeynes@185 | 24 | */
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nkeynes@185 | 25 |
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nkeynes@185 | 26 | #ifndef _STDIO_H_
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nkeynes@185 | 27 | #ifdef __cplusplus
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nkeynes@185 | 28 | extern "C" {
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nkeynes@185 | 29 | #endif
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nkeynes@185 | 30 | #define _STDIO_H_
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nkeynes@185 | 31 |
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nkeynes@185 | 32 | #include "_ansi.h"
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nkeynes@185 | 33 |
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nkeynes@185 | 34 | #define _FSTDIO /* ``function stdio'' */
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nkeynes@185 | 35 |
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nkeynes@185 | 36 | #define __need_size_t
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nkeynes@185 | 37 | #include <stddef.h>
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nkeynes@185 | 38 |
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nkeynes@185 | 39 | #define __need___va_list
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nkeynes@185 | 40 | #include <stdarg.h>
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nkeynes@185 | 41 |
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nkeynes@185 | 42 | /*
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nkeynes@185 | 43 | * <sys/reent.h> defines __sFILE, _fpos_t.
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nkeynes@185 | 44 | * They must be defined there because struct _reent needs them (and we don't
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nkeynes@185 | 45 | * want reent.h to include this file.
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nkeynes@185 | 46 | */
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nkeynes@185 | 47 |
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nkeynes@185 | 48 | #include <sys/reent.h>
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nkeynes@185 | 49 |
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nkeynes@185 | 50 | typedef _fpos_t fpos_t;
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nkeynes@185 | 51 |
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nkeynes@185 | 52 | typedef struct __sFILE FILE;
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nkeynes@185 | 53 |
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nkeynes@185 | 54 | #define __SLBF 0x0001 /* line buffered */
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nkeynes@185 | 55 | #define __SNBF 0x0002 /* unbuffered */
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nkeynes@185 | 56 | #define __SRD 0x0004 /* OK to read */
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nkeynes@185 | 57 | #define __SWR 0x0008 /* OK to write */
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nkeynes@185 | 58 | /* RD and WR are never simultaneously asserted */
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nkeynes@185 | 59 | #define __SRW 0x0010 /* open for reading & writing */
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nkeynes@185 | 60 | #define __SEOF 0x0020 /* found EOF */
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nkeynes@185 | 61 | #define __SERR 0x0040 /* found error */
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nkeynes@185 | 62 | #define __SMBF 0x0080 /* _buf is from malloc */
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nkeynes@185 | 63 | #define __SAPP 0x0100 /* fdopen()ed in append mode - so must write to end */
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nkeynes@185 | 64 | #define __SSTR 0x0200 /* this is an sprintf/snprintf string */
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nkeynes@185 | 65 | #define __SOPT 0x0400 /* do fseek() optimisation */
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nkeynes@185 | 66 | #define __SNPT 0x0800 /* do not do fseek() optimisation */
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nkeynes@185 | 67 | #define __SOFF 0x1000 /* set iff _offset is in fact correct */
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nkeynes@185 | 68 | #define __SMOD 0x2000 /* true => fgetline modified _p text */
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nkeynes@185 | 69 |
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nkeynes@185 | 70 | /*
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nkeynes@185 | 71 | * The following three definitions are for ANSI C, which took them
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nkeynes@185 | 72 | * from System V, which stupidly took internal interface macros and
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nkeynes@185 | 73 | * made them official arguments to setvbuf(), without renaming them.
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nkeynes@185 | 74 | * Hence, these ugly _IOxxx names are *supposed* to appear in user code.
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nkeynes@185 | 75 | *
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nkeynes@185 | 76 | * Although these happen to match their counterparts above, the
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nkeynes@185 | 77 | * implementation does not rely on that (so these could be renumbered).
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nkeynes@185 | 78 | */
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nkeynes@185 | 79 | #define _IOFBF 0 /* setvbuf should set fully buffered */
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nkeynes@185 | 80 | #define _IOLBF 1 /* setvbuf should set line buffered */
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nkeynes@185 | 81 | #define _IONBF 2 /* setvbuf should set unbuffered */
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nkeynes@185 | 82 |
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nkeynes@185 | 83 | #ifndef NULL
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nkeynes@185 | 84 | #define NULL 0
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nkeynes@185 | 85 | #endif
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nkeynes@185 | 86 |
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nkeynes@185 | 87 | #define BUFSIZ 1024
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nkeynes@185 | 88 | #define EOF (-1)
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nkeynes@185 | 89 |
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nkeynes@185 | 90 | #define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */
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nkeynes@185 | 91 | #define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */
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nkeynes@185 | 92 | #define L_tmpnam 1024 /* XXX must be == PATH_MAX */
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nkeynes@185 | 93 | #ifndef __STRICT_ANSI__
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nkeynes@185 | 94 | #define P_tmpdir "/tmp"
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nkeynes@185 | 95 | #endif
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nkeynes@185 | 96 |
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nkeynes@185 | 97 | #ifndef SEEK_SET
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nkeynes@185 | 98 | #define SEEK_SET 0 /* set file offset to offset */
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nkeynes@185 | 99 | #endif
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nkeynes@185 | 100 | #ifndef SEEK_CUR
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nkeynes@185 | 101 | #define SEEK_CUR 1 /* set file offset to current plus offset */
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nkeynes@185 | 102 | #endif
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nkeynes@185 | 103 | #ifndef SEEK_END
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nkeynes@185 | 104 | #define SEEK_END 2 /* set file offset to EOF plus offset */
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nkeynes@185 | 105 | #endif
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nkeynes@185 | 106 |
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nkeynes@185 | 107 | #define TMP_MAX 26
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nkeynes@185 | 108 |
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nkeynes@185 | 109 | #define stdin (_impure_ptr->_stdin)
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nkeynes@185 | 110 | #define stdout (_impure_ptr->_stdout)
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nkeynes@185 | 111 | #define stderr (_impure_ptr->_stderr)
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nkeynes@185 | 112 |
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nkeynes@185 | 113 | #define _stdin_r(x) ((x)->_stdin)
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nkeynes@185 | 114 | #define _stdout_r(x) ((x)->_stdout)
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nkeynes@185 | 115 | #define _stderr_r(x) ((x)->_stderr)
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nkeynes@185 | 116 |
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nkeynes@185 | 117 | /*
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nkeynes@185 | 118 | * Functions defined in ANSI C standard.
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nkeynes@185 | 119 | */
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nkeynes@185 | 120 |
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nkeynes@185 | 121 | #ifdef __GNUC__
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nkeynes@185 | 122 | #define __VALIST __gnuc_va_list
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nkeynes@185 | 123 | #else
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nkeynes@185 | 124 | #define __VALIST char*
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nkeynes@185 | 125 | #endif
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nkeynes@185 | 126 |
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nkeynes@185 | 127 | #ifndef _REENT_ONLY
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nkeynes@185 | 128 | int _EXFUN(remove, (const char *));
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nkeynes@185 | 129 | int _EXFUN(rename, (const char *, const char *));
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nkeynes@185 | 130 | #endif
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nkeynes@185 | 131 | char * _EXFUN(tempnam, (const char *, const char *));
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nkeynes@185 | 132 | FILE * _EXFUN(tmpfile, (void));
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nkeynes@185 | 133 | char * _EXFUN(tmpnam, (char *));
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nkeynes@185 | 134 | int _EXFUN(fclose, (FILE *));
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nkeynes@185 | 135 | int _EXFUN(fflush, (FILE *));
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nkeynes@185 | 136 | FILE * _EXFUN(freopen, (const char *, const char *, FILE *));
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nkeynes@185 | 137 | void _EXFUN(setbuf, (FILE *, char *));
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nkeynes@185 | 138 | int _EXFUN(setvbuf, (FILE *, char *, int, size_t));
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nkeynes@185 | 139 | int _EXFUN(fprintf, (FILE *, const char *, ...));
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nkeynes@185 | 140 | int _EXFUN(fscanf, (FILE *, const char *, ...));
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nkeynes@185 | 141 | int _EXFUN(printf, (const char *, ...));
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nkeynes@185 | 142 | int _EXFUN(scanf, (const char *, ...));
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nkeynes@185 | 143 | int _EXFUN(sscanf, (const char *, const char *, ...));
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nkeynes@185 | 144 | int _EXFUN(vfprintf, (FILE *, const char *, __VALIST));
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nkeynes@185 | 145 | int _EXFUN(vprintf, (const char *, __VALIST));
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nkeynes@185 | 146 | int _EXFUN(vsprintf, (char *, const char *, __VALIST));
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nkeynes@185 | 147 | int _EXFUN(vsnprintf, (char *, size_t, const char *, __VALIST));
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nkeynes@185 | 148 | int _EXFUN(fgetc, (FILE *));
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nkeynes@185 | 149 | char * _EXFUN(fgets, (char *, int, FILE *));
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nkeynes@185 | 150 | int _EXFUN(fputc, (int, FILE *));
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nkeynes@185 | 151 | int _EXFUN(fputs, (const char *, FILE *));
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nkeynes@185 | 152 | int _EXFUN(getc, (FILE *));
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nkeynes@185 | 153 | int _EXFUN(getchar, (void));
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nkeynes@185 | 154 | char * _EXFUN(gets, (char *));
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nkeynes@185 | 155 | int _EXFUN(putc, (int, FILE *));
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nkeynes@185 | 156 | int _EXFUN(putchar, (int));
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nkeynes@185 | 157 | int _EXFUN(puts, (const char *));
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nkeynes@185 | 158 | int _EXFUN(ungetc, (int, FILE *));
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nkeynes@185 | 159 | size_t _EXFUN(fread, (_PTR, size_t _size, size_t _n, FILE *));
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nkeynes@185 | 160 | size_t _EXFUN(fwrite, (const _PTR , size_t _size, size_t _n, FILE *));
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nkeynes@185 | 161 | int _EXFUN(fgetpos, (FILE *, fpos_t *));
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nkeynes@185 | 162 | int _EXFUN(fseek, (FILE *, long, int));
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nkeynes@185 | 163 | int _EXFUN(fsetpos, (FILE *, const fpos_t *));
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nkeynes@185 | 164 | long _EXFUN(ftell, ( FILE *));
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nkeynes@185 | 165 | void _EXFUN(rewind, (FILE *));
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nkeynes@185 | 166 | void _EXFUN(clearerr, (FILE *));
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nkeynes@185 | 167 | int _EXFUN(feof, (FILE *));
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nkeynes@185 | 168 | int _EXFUN(ferror, (FILE *));
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nkeynes@185 | 169 | void _EXFUN(perror, (const char *));
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nkeynes@185 | 170 | #ifndef _REENT_ONLY
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nkeynes@185 | 171 | FILE * _EXFUN(fopen, (const char *_name, const char *_type));
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nkeynes@185 | 172 | int _EXFUN(sprintf, (char *, const char *, ...));
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nkeynes@185 | 173 | int _EXFUN(snprintf, (char *, size_t, const char *, ...));
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nkeynes@185 | 174 | #endif
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nkeynes@185 | 175 | #ifndef __STRICT_ANSI__
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nkeynes@185 | 176 | int _EXFUN(vfiprintf, (FILE *, const char *, __VALIST));
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nkeynes@185 | 177 | int _EXFUN(iprintf, (const char *, ...));
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nkeynes@185 | 178 | int _EXFUN(fiprintf, (FILE *, const char *, ...));
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nkeynes@185 | 179 | int _EXFUN(siprintf, (char *, const char *, ...));
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nkeynes@185 | 180 | #endif
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nkeynes@185 | 181 |
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nkeynes@185 | 182 | /*
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nkeynes@185 | 183 | * Routines in POSIX 1003.1.
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nkeynes@185 | 184 | */
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nkeynes@185 | 185 |
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nkeynes@185 | 186 | #ifndef __STRICT_ANSI__
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nkeynes@185 | 187 | #ifndef _REENT_ONLY
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nkeynes@185 | 188 | FILE * _EXFUN(fdopen, (int, const char *));
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nkeynes@185 | 189 | #endif
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nkeynes@185 | 190 | int _EXFUN(fileno, (FILE *));
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nkeynes@185 | 191 | int _EXFUN(getw, (FILE *));
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nkeynes@185 | 192 | int _EXFUN(pclose, (FILE *));
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nkeynes@185 | 193 | FILE * _EXFUN(popen, (const char *, const char *));
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nkeynes@185 | 194 | int _EXFUN(putw, (int, FILE *));
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nkeynes@185 | 195 | void _EXFUN(setbuffer, (FILE *, char *, int));
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nkeynes@185 | 196 | int _EXFUN(setlinebuf, (FILE *));
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nkeynes@185 | 197 | #endif
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nkeynes@185 | 198 |
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nkeynes@185 | 199 | /*
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nkeynes@185 | 200 | * Recursive versions of the above.
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nkeynes@185 | 201 | */
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nkeynes@185 | 202 |
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nkeynes@185 | 203 | FILE * _EXFUN(_fdopen_r, (struct _reent *, int, const char *));
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nkeynes@185 | 204 | FILE * _EXFUN(_fopen_r, (struct _reent *, const char *, const char *));
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nkeynes@185 | 205 | int _EXFUN(_getchar_r, (struct _reent *));
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nkeynes@185 | 206 | char * _EXFUN(_gets_r, (struct _reent *, char *));
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nkeynes@185 | 207 | int _EXFUN(_iprintf_r, (struct _reent *, const char *, ...));
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nkeynes@185 | 208 | int _EXFUN(_mkstemp_r, (struct _reent *, char *));
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nkeynes@185 | 209 | char * _EXFUN(_mktemp_r, (struct _reent *, char *));
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nkeynes@185 | 210 | void _EXFUN(_perror_r, (struct _reent *, const char *));
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nkeynes@185 | 211 | int _EXFUN(_printf_r, (struct _reent *, const char *, ...));
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nkeynes@185 | 212 | int _EXFUN(_putchar_r, (struct _reent *, int));
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nkeynes@185 | 213 | int _EXFUN(_puts_r, (struct _reent *, const char *));
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nkeynes@185 | 214 | int _EXFUN(_remove_r, (struct _reent *, const char *));
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nkeynes@185 | 215 | int _EXFUN(_rename_r, (struct _reent *,
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nkeynes@185 | 216 | const char *_old, const char *_new));
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nkeynes@185 | 217 | int _EXFUN(_scanf_r, (struct _reent *, const char *, ...));
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nkeynes@185 | 218 | int _EXFUN(_sprintf_r, (struct _reent *, char *, const char *, ...));
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nkeynes@185 | 219 | int _EXFUN(_snprintf_r, (struct _reent *, char *, size_t, const char *, ...));
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nkeynes@185 | 220 | char * _EXFUN(_tempnam_r, (struct _reent *, const char *, const char *));
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nkeynes@185 | 221 | FILE * _EXFUN(_tmpfile_r, (struct _reent *));
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nkeynes@185 | 222 | char * _EXFUN(_tmpnam_r, (struct _reent *, char *));
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nkeynes@185 | 223 | int _EXFUN(_vfprintf_r, (struct _reent *, FILE *, const char *, __VALIST));
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nkeynes@185 | 224 | int _EXFUN(_vprintf_r, (struct _reent *, const char *, __VALIST));
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nkeynes@185 | 225 | int _EXFUN(_vsprintf_r, (struct _reent *, char *, const char *, __VALIST));
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nkeynes@185 | 226 | int _EXFUN(_vsnprintf_r, (struct _reent *, char *, size_t, const char *, __VALIST));
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nkeynes@185 | 227 |
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nkeynes@185 | 228 | /*
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nkeynes@185 | 229 | * Routines internal to the implementation.
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nkeynes@185 | 230 | */
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nkeynes@185 | 231 |
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nkeynes@185 | 232 | int _EXFUN(__srget, (FILE *));
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nkeynes@185 | 233 | int _EXFUN(__swbuf, (int, FILE *));
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nkeynes@185 | 234 |
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nkeynes@185 | 235 | /*
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nkeynes@185 | 236 | * Stdio function-access interface.
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nkeynes@185 | 237 | */
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nkeynes@185 | 238 |
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nkeynes@185 | 239 | #ifndef __STRICT_ANSI__
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nkeynes@185 | 240 | FILE *_EXFUN(funopen,(const _PTR _cookie,
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nkeynes@185 | 241 | int (*readfn)(_PTR _cookie, char *_buf, int _n),
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nkeynes@185 | 242 | int (*writefn)(_PTR _cookie, const char *_buf, int _n),
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nkeynes@185 | 243 | fpos_t (*seekfn)(_PTR _cookie, fpos_t _off, int _whence),
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nkeynes@185 | 244 | int (*closefn)(_PTR _cookie)));
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nkeynes@185 | 245 |
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nkeynes@185 | 246 | #define fropen(cookie, fn) funopen(cookie, fn, (int (*)())0, (fpos_t (*)())0, (int (*)())0)
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nkeynes@185 | 247 | #define fwopen(cookie, fn) funopen(cookie, (int (*)())0, fn, (fpos_t (*)())0, (int (*)())0)
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nkeynes@185 | 248 | #endif
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nkeynes@185 | 249 |
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nkeynes@185 | 250 | /*
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nkeynes@185 | 251 | * The __sfoo macros are here so that we can
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nkeynes@185 | 252 | * define function versions in the C library.
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nkeynes@185 | 253 | */
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nkeynes@185 | 254 | #define __sgetc(p) (--(p)->_r < 0 ? __srget(p) : (int)(*(p)->_p++))
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nkeynes@185 | 255 | #ifdef _never /* __GNUC__ */
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nkeynes@185 | 256 | /* If this inline is actually used, then systems using coff debugging
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nkeynes@185 | 257 | info get hopelessly confused. 21sept93 rich@cygnus.com. */
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nkeynes@185 | 258 | static __inline int __sputc(int _c, FILE *_p) {
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nkeynes@185 | 259 | if (--_p->_w >= 0 || (_p->_w >= _p->_lbfsize && (char)_c != '\n'))
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nkeynes@185 | 260 | return (*_p->_p++ = _c);
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nkeynes@185 | 261 | else
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nkeynes@185 | 262 | return (__swbuf(_c, _p));
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nkeynes@185 | 263 | }
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nkeynes@185 | 264 | #else
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nkeynes@185 | 265 | /*
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nkeynes@185 | 266 | * This has been tuned to generate reasonable code on the vax using pcc
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nkeynes@185 | 267 | */
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nkeynes@185 | 268 | #define __sputc(c, p) \
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nkeynes@185 | 269 | (--(p)->_w < 0 ? \
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nkeynes@185 | 270 | (p)->_w >= (p)->_lbfsize ? \
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nkeynes@185 | 271 | (*(p)->_p = (c)), *(p)->_p != '\n' ? \
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nkeynes@185 | 272 | (int)*(p)->_p++ : \
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nkeynes@185 | 273 | __swbuf('\n', p) : \
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nkeynes@185 | 274 | __swbuf((int)(c), p) : \
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nkeynes@185 | 275 | (*(p)->_p = (c), (int)*(p)->_p++))
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nkeynes@185 | 276 | #endif
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nkeynes@185 | 277 |
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nkeynes@185 | 278 | #define __sfeof(p) (((p)->_flags & __SEOF) != 0)
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nkeynes@185 | 279 | #define __sferror(p) (((p)->_flags & __SERR) != 0)
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nkeynes@185 | 280 | #define __sclearerr(p) ((void)((p)->_flags &= ~(__SERR|__SEOF)))
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nkeynes@185 | 281 | #define __sfileno(p) ((p)->_file)
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nkeynes@185 | 282 |
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nkeynes@185 | 283 | #define feof(p) __sfeof(p)
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nkeynes@185 | 284 | #define ferror(p) __sferror(p)
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nkeynes@185 | 285 | #define clearerr(p) __sclearerr(p)
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nkeynes@185 | 286 |
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nkeynes@185 | 287 | #if 0 /*ndef __STRICT_ANSI__ - FIXME: must initialize stdio first, use fn */
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nkeynes@185 | 288 | #define fileno(p) __sfileno(p)
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nkeynes@185 | 289 | #endif
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nkeynes@185 | 290 |
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nkeynes@185 | 291 | #ifndef lint
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nkeynes@185 | 292 | #define getc(fp) __sgetc(fp)
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nkeynes@185 | 293 | #define putc(x, fp) __sputc(x, fp)
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nkeynes@185 | 294 | #endif /* lint */
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nkeynes@185 | 295 |
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nkeynes@185 | 296 | #define getchar() getc(stdin)
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nkeynes@185 | 297 | #define putchar(x) putc(x, stdout)
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nkeynes@185 | 298 |
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nkeynes@185 | 299 | #ifndef __STRICT_ANSI__
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nkeynes@185 | 300 | /* fast always-buffered version, true iff error */
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nkeynes@185 | 301 | #define fast_putc(x,p) (--(p)->_w < 0 ? \
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nkeynes@185 | 302 | __swbuf((int)(x), p) == EOF : (*(p)->_p = (x), (p)->_p++, 0))
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nkeynes@185 | 303 |
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nkeynes@185 | 304 | #define L_cuserid 9 /* posix says it goes in stdio.h :( */
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nkeynes@185 | 305 | #ifdef __CYGWIN32__
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nkeynes@185 | 306 | #define L_ctermid 16
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nkeynes@185 | 307 | #endif
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nkeynes@185 | 308 | #endif
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nkeynes@185 | 309 |
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nkeynes@185 | 310 | #ifdef __cplusplus
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nkeynes@185 | 311 | }
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nkeynes@185 | 312 | #endif
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nkeynes@185 | 313 | #endif /* _STDIO_H_ */
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