ack/lang/cem/libcc.ansi/headers/stdio.h
David Given f522aba4af Add support for snprintf and vsnprintf. Try and make the return value a bit
more standards-compliant.

--HG--
extra : source : a19eb606871f918e3d9e195b487b5276855edc8e
2013-05-29 17:10:58 +01:00

126 lines
3.8 KiB
C

/*
* stdio.h - input/output definitions
*
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
* See the copyright notice in the ACK home directory, in the file "Copyright".
*/
/* $Id$ */
#ifndef _STDIO_H
#define _STDIO_H
#include <stddef.h>
/*
* Focus point of all stdio activity.
*/
typedef struct __iobuf {
int _count;
int _fd;
int _flags;
int _bufsiz;
unsigned char *_buf;
unsigned char *_ptr;
} FILE;
#define _IOFBF 0x000
#define _IOREAD 0x001
#define _IOWRITE 0x002
#define _IONBF 0x004
#define _IOMYBUF 0x008
#define _IOEOF 0x010
#define _IOERR 0x020
#define _IOLBF 0x040
#define _IOREADING 0x080
#define _IOWRITING 0x100
#define _IOAPPEND 0x200
#define SEEK_SET 0
#define SEEK_CUR 1
#define SEEK_END 2
#define stdin (&__stdin)
#define stdout (&__stdout)
#define stderr (&__stderr)
#define BUFSIZ 1024
#define EOF (-1)
#define FOPEN_MAX 20
#define FILENAME_MAX 255
#define TMP_MAX 999
#define L_tmpnam (sizeof("/tmp/") + 15)
typedef long int fpos_t;
extern FILE *__iotab[FOPEN_MAX];
extern FILE __stdin, __stdout, __stderr;
extern int remove(const char *_filename);
extern int rename(const char *_old, const char *_new);
extern FILE *tmpfile(void);
extern char *tmpnam(char *_s);
extern int fclose(FILE *_stream);
extern int fflush(FILE *_stream);
extern FILE *fopen(const char *_filename, const char *_mode);
extern FILE *freopen(const char *_filename, const char *_mode, FILE *_stream);
extern void setbuf(FILE *_stream, char *_buf);
extern int setvbuf(FILE *_stream, char *_buf, int _mode, size_t _size);
extern int fprintf(FILE *_stream, const char *_format, ...);
extern int fscanf(FILE *_stream, const char *_format, ...);
extern int printf(const char *_format, ...);
extern int scanf(const char *_format, ...);
extern int sprintf(char *_s, const char *_format, ...);
extern int snprintf(char *_s, size_t _len, const char *_format, ...);
extern int sscanf(const char *_s, const char *_format, ...);
extern int vfprintf(FILE *_stream, const char *_format, char *_arg);
extern int vprintf(const char *_format, char *_arg);
extern int vsprintf(char *_s, const char *_format, char *_arg);
extern int vsnprintf(char *_s, size_t _len, const char *_format, char *_arg);
extern int fgetc(FILE *_stream);
extern char *fgets(char *_s, int _n, FILE *_stream);
extern int fputc(int _c, FILE *_stream);
extern int fputs(const char *_s, FILE *_stream);
extern int getc(FILE *_stream);
extern int getchar(void);
extern char *gets(char *_s);
extern int putc(int _c, FILE *_stream);
extern int putchar(int _c);
extern int puts(const char *_s);
extern int ungetc(int _c, FILE *_stream);
extern size_t fread(void *_ptr, size_t _size, size_t _nmemb, FILE *_stream);
extern size_t fwrite(const void *_ptr, size_t _size, size_t _nmemb, FILE *_stream);
extern int fgetpos(FILE *_stream, fpos_t *_pos);
extern int fseek(FILE *_stream, long _offset, int _whence);
extern int fsetpos(FILE *_stream, fpos_t *_pos);
extern long ftell(FILE *_stream);
extern void rewind(FILE *_stream);
extern void clearerr(FILE *_stream);
extern int feof(FILE *_stream);
extern int ferror(FILE *_stream);
extern void perror(const char *_s);
extern int __fillbuf(FILE *_stream);
extern int __flushbuf(int _c, FILE *_stream);
#define getchar() getc(stdin)
#define putchar(c) putc(c,stdout)
#define getc(p) (--(p)->_count >= 0 ? (int) (*(p)->_ptr++) : \
__fillbuf(p))
#define putc(c, p) (--(p)->_count >= 0 ? \
(int) (*(p)->_ptr++ = (c)) : \
__flushbuf((c),(p)))
#define feof(p) (((p)->_flags & _IOEOF) != 0)
#define ferror(p) (((p)->_flags & _IOERR) != 0)
#define clearerr(p) ((p)->_flags &= ~(_IOERR|_IOEOF))
/* Non-standard extensions */
extern int fileno(FILE *_stream);
extern FILE* fdopen(int fildes, const char *type);
#define fileno(stream) ((stream)->_fd)
#endif /* _STDIO_H */