Skip to content

Instantly share code, notes, and snippets.

@DamieFC

DamieFC/README.md

Created November 27, 2020 23:29
Show Gist options
  • Save DamieFC/8e54f76365b1739b6cd6f414937681eb to your computer and use it in GitHub Desktop.
Save DamieFC/8e54f76365b1739b6cd6f414937681eb to your computer and use it in GitHub Desktop.
Download ZIP
Raw
README.md

STDIO.H FILE

The stdio.h file is well known in the C programming language because it is how you write text. I looked up the source, and I found the file on the GNU project site. The license is included in the file, so I'm not going to put it here. Anyway, have fun!

Raw
stdio.h
/*
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that the above copyright notice and this paragraph are
* duplicated in all such forms and that any documentation,
* advertising materials, and other materials related to such
* distribution and use acknowledge that the software was developed
* by the University of California, Berkeley. The name of the
* University may not be used to endorse or promote products derived
* from this software without specific prior written permission.
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*
* @(#)stdio.h 5.3 (Berkeley) 3/15/86
*/
/*
* NB: to fit things in six character monocase externals, the
* stdio code uses the prefix `__s' for stdio objects, typically
* followed by a three-character attempt at a mnemonic.
*/
#ifndef _STDIO_H_
#ifdef __cplusplus
extern "C" {
#endif
#define _STDIO_H_
#define _FSTDIO /* ``function stdio'' */
#define __need_size_t
#include <stddef.h>
#define __need___va_list
#include <stdarg.h>
/*
* <sys/reent.h> defines __sFILE, _fpos_t.
* They must be defined there because struct _reent needs them (and we don't
* want reent.h to include this file.
*/
struct __sFile
{
int unused;
};
typedef struct __sFILE FILE;
#define __SLBF 0x0001 /* line buffered */
#define __SNBF 0x0002 /* unbuffered */
#define __SRD 0x0004 /* OK to read */
#define __SWR 0x0008 /* OK to write */
/* RD and WR are never simultaneously asserted */
#define __SRW 0x0010 /* open for reading & writing */
#define __SEOF 0x0020 /* found EOF */
#define __SERR 0x0040 /* found error */
#define __SMBF 0x0080 /* _buf is from malloc */
#define __SAPP 0x0100 /* fdopen()ed in append mode - so must write to end */
#define __SSTR 0x0200 /* this is an sprintf/snprintf string */
#define __SOPT 0x0400 /* do fseek() optimisation */
#define __SNPT 0x0800 /* do not do fseek() optimisation */
#define __SOFF 0x1000 /* set iff _offset is in fact correct */
#define __SMOD 0x2000 /* true => fgetline modified _p text */
#if defined(__CYGWIN__) || defined(__CYGWIN__)
#define __SCLE 0x4000 /* convert line endings CR/LF <-> NL */
#endif
/*
* The following three definitions are for ANSI C, which took them
* from System V, which stupidly took internal interface macros and
* made them official arguments to setvbuf(), without renaming them.
* Hence, these ugly _IOxxx names are *supposed* to appear in user code.
*
* Although these happen to match their counterparts above, the
* implementation does not rely on that (so these could be renumbered).
*/
#define _IOFBF 0 /* setvbuf should set fully buffered */
#define _IOLBF 1 /* setvbuf should set line buffered */
#define _IONBF 2 /* setvbuf should set unbuffered */
#ifndef NULL
#define NULL 0
#endif
#define BUFSIZ 1024
#define EOF (-1)
#define FOPEN_MAX 20 /* must be <= OPEN_MAX <sys/syslimits.h> */
#define FILENAME_MAX 1024 /* must be <= PATH_MAX <sys/syslimits.h> */
#define L_tmpnam 1024 /* XXX must be == PATH_MAX */
#ifndef __STRICT_ANSI__
#define P_tmpdir "/tmp"
#endif
#ifndef SEEK_SET
#define SEEK_SET 0 /* set file offset to offset */
#endif
#ifndef SEEK_CUR
#define SEEK_CUR 1 /* set file offset to current plus offset */
#endif
#ifndef SEEK_END
#define SEEK_END 2 /* set file offset to EOF plus offset */
#endif
#define TMP_MAX 26
#define stdin (_impure_ptr->_stdin)
#define stdout (_impure_ptr->_stdout)
#define stderr (_impure_ptr->_stderr)
#define _stdin_r(x) ((x)->_stdin)
#define _stdout_r(x) ((x)->_stdout)
#define _stderr_r(x) ((x)->_stderr)
/*
* Functions defined in ANSI C standard.
*/
#ifdef __GNUC__
#define __VALIST __gnuc_va_list
#else
#define __VALIST char*
#endif
#ifndef _EXFUN
# define _EXFUN(N,P) N P
#endif
int _EXFUN(printf, (const char *, ...));
int _EXFUN(scanf, (const char *, ...));
int _EXFUN(sscanf, (const char *, const char *, ...));
int _EXFUN(vfprintf, (FILE *, const char *, __VALIST));
int _EXFUN(vprintf, (const char *, __VALIST));
int _EXFUN(vsprintf, (char *, const char *, __VALIST));
int _EXFUN(vsnprintf, (char *, size_t, const char *, __VALIST));
int _EXFUN(fgetc, (FILE *));
char * _EXFUN(fgets, (char *, int, FILE *));
int _EXFUN(fputc, (int, FILE *));
int _EXFUN(fputs, (const char *, FILE *));
int _EXFUN(getc, (FILE *));
int _EXFUN(getchar, (void));
char * _EXFUN(gets, (char *));
int _EXFUN(putc, (int, FILE *));
int _EXFUN(putchar, (int));
int _EXFUN(puts, (const char *));
int _EXFUN(ungetc, (int, FILE *));
size_t _EXFUN(fread, (void *, size_t _size, size_t _n, FILE *));
size_t _EXFUN(fwrite, (const void *, size_t _size, size_t _n, FILE *));
int _EXFUN(sprintf, (char *, const char *, ...));
int _EXFUN(snprintf, (char *, size_t, const char *, ...));
#ifdef __cplusplus
}
#endif
#endif /* _STDIO_H_ */
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment