stdio.h
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上传日期:2013-04-11
资源大小:19621k
文件大小:4k
源码类别:
操作系统开发
开发平台:
Visual C++
- /***
- *stdio.h - definitions/declarations for standard I/O routines
- *
- * Copyright (c) 1985-1988, Microsoft Corporation. All rights reserved.
- *
- *Purpose:
- * This file defines the structures, values, macros, and functions
- * used by the level 2 I/O ("standard I/O") routines.
- * [ANSI/System V]
- *
- *******************************************************************************/
- #ifndef _SIZE_T_DEFINED
- typedef unsigned int size_t;
- #define _SIZE_T_DEFINED
- #endif
- #ifndef _VA_LIST_DEFINED
- typedef char *va_list;
- #define _VA_LIST_DEFINED
- #endif
- #ifndef NO_EXT_KEYS /* extensions enabled */
- #define _CDECL cdecl
- #define _NEAR near
- #else /* extensions not enabled */
- #define _CDECL
- #define _NEAR
- #endif /* NO_EXT_KEYS */
- /* buffered I/O macros */
- #define BUFSIZ 512
- #define _NFILE 20
- #define EOF (-1)
- #ifndef _FILE_DEFINED
- #define FILE struct _iobuf
- #define _FILE_DEFINED
- #endif
- /* P_tmpnam: Directory where temporary files may be created.
- * L_tmpnam size = size of P_tmpdir
- * + 1 (in case P_tmpdir does not end in "\")
- * + 6 (for the temp number string)
- * + 1 (for the null terminator)
- */
- #define P_tmpdir "\"
- #define L_tmpnam sizeof(P_tmpdir)+8
- #define SEEK_CUR 1
- #define SEEK_END 2
- #define SEEK_SET 0
- #define SYS_OPEN 20
- #define TMP_MAX 32767
- /* define NULL pointer value */
- #if (defined(M_I86SM) || defined(M_I86MM))
- #define NULL 0
- #elif (defined(M_I86CM) || defined(M_I86LM) || defined(M_I86HM))
- #define NULL 0L
- #endif
- /* define file control block */
- #ifndef _IOB_DEFINED
- extern FILE {
- char *_ptr;
- int _cnt;
- char *_base;
- char _flag;
- char _file;
- } _NEAR _CDECL _iob[];
- #define _IOB_DEFINED
- #endif
- #define fpos_t long /* file position variable */
- #define stdin (&_iob[0])
- #define stdout (&_iob[1])
- #define stderr (&_iob[2])
- #define stdaux (&_iob[3])
- #define stdprn (&_iob[4])
- #define _IOREAD 0x01
- #define _IOWRT 0x02
- #define _IOFBF 0x0
- #define _IOLBF 0x40
- #define _IONBF 0x04
- #define _IOMYBUF 0x08
- #define _IOEOF 0x10
- #define _IOERR 0x20
- #define _IOSTRG 0x40
- #define _IORW 0x80
- #define getc(f) (--(f)->_cnt >= 0 ? 0xff & *(f)->_ptr++ : _filbuf(f))
- #define putc(c,f) (--(f)->_cnt >= 0 ? 0xff & (*(f)->_ptr++ = (char)(c))
- : _flsbuf((c),(f)))
- #define getchar() getc(stdin)
- #define putchar(c) putc((c),stdout)
- #define feof(f) ((f)->_flag & _IOEOF)
- #define ferror(f) ((f)->_flag & _IOERR)
- #define fileno(f) ((f)->_file)
- /* function prototypes */
- int _CDECL _filbuf(FILE *);
- int _CDECL _flsbuf(int, FILE *);
- void _CDECL clearerr(FILE *);
- int _CDECL fclose(FILE *);
- int _CDECL fcloseall(void);
- FILE * _CDECL fdopen(int, char *);
- int _CDECL fflush(FILE *);
- int _CDECL fgetc(FILE *);
- int _CDECL fgetchar(void);
- int _CDECL fgetpos(FILE *, fpos_t *);
- char * _CDECL fgets(char *, int, FILE *);
- int _CDECL flushall(void);
- FILE * _CDECL fopen(const char *, const char *);
- int _CDECL fprintf(FILE *, const char *, ...);
- int _CDECL fputc(int, FILE *);
- int _CDECL fputchar(int);
- int _CDECL fputs(const char *, FILE *);
- size_t _CDECL fread(void *, size_t, size_t, FILE *);
- FILE * _CDECL freopen(const char *, const char *, FILE *);
- int _CDECL fscanf(FILE *, const char *, ...);
- int _CDECL fsetpos(FILE *, const fpos_t *);
- int _CDECL fseek(FILE *, long, int);
- long _CDECL ftell(FILE *);
- size_t _CDECL fwrite(const void *, size_t, size_t, FILE *);
- char * _CDECL gets(char *);
- int _CDECL getw(FILE *);
- void _CDECL perror(const char *);
- int _CDECL printf(const char *, ...);
- int _CDECL puts(const char *);
- int _CDECL putw(int, FILE *);
- int _CDECL remove(const char *);
- int _CDECL rename(const char *, const char *);
- void _CDECL rewind(FILE *);
- int _CDECL rmtmp(void);
- int _CDECL scanf(const char *, ...);
- void _CDECL setbuf(FILE *, char *);
- int _CDECL setvbuf(FILE *, char *, int, size_t);
- int _CDECL sprintf(char *, const char *, ...);
- int _CDECL sscanf(const char *, const char *, ...);
- char * _CDECL tempnam(char *, char *);
- FILE * _CDECL tmpfile(void);
- char * _CDECL tmpnam(char *);
- int _CDECL ungetc(int, FILE *);
- int _CDECL unlink(const char *);
- int _CDECL vfprintf(FILE *, const char *, va_list);
- int _CDECL vprintf(const char *, va_list);
- int _CDECL vsprintf(char *, const char *, va_list);