#ifndef __STDIO_H #define __STDIO_H #include <features.h> #include <stdarg.h> #include <sys/types.h> #ifndef SEEK_SET #define SEEK_SET 0 #define SEEK_CUR 1 #define SEEK_END 2 #endif #define _IOFBF 0x00 /* full buffering */ #define _IOLBF 0x01 /* line buffering */ #define _IONBF 0x02 /* no buffering */ #define __MODE_BUF 0x03 /* Modal buffering dependent on isatty */ #define __MODE_FREEBUF 0x04 /* Buffer allocated with malloc, can free */ #define __MODE_FREEFIL 0x08 /* FILE allocated with malloc, can free */ #define __MODE_READ 0x10 /* Opened in read only */ #define __MODE_WRITE 0x20 /* Opened in write only */ #define __MODE_RDWR 0x30 /* Opened in read/write */ #define __MODE_READING 0x40 /* Buffer has pending read data */ #define __MODE_WRITING 0x80 /* Buffer has pending write data */ #define __MODE_EOF 0x100 /* EOF status */ #define __MODE_ERR 0x200 /* Error status */ #define __MODE_UNGOT 0x400 /* Buffer has been polluted by ungetc */ #define __MODE_IOTRAN 0 /* when you add or change fields here, be sure to change the initialization * in stdio_init and fopen */ struct __stdio_file { unsigned char *bufpos; /* the next byte to write to or read from */ unsigned char *bufread; /* the end of data returned by last read() */ unsigned char *bufwrite; /* highest address writable by macro */ unsigned char *bufstart; /* the start of the buffer */ unsigned char *bufend; /* the end of the buffer; ie the byte after the last malloc()ed byte */ int fd; /* the file descriptor associated with the stream */ int mode; char unbuf[8]; /* The buffer for 'unbuffered' streams */ struct __stdio_file * next; }; #define EOF (-1) #ifndef NULL #define NULL (0) #endif typedef struct __stdio_file FILE; #define BUFSIZ (500) /*(508) should get us a fully used kmalloc bucket */ extern FILE stdin[1]; extern FILE stdout[1]; extern FILE stderr[1]; #define stdio_pending(fp) ((fp)->bufread>(fp)->bufpos) /* Read chunks of generic data from STREAM. */ extern size_t fread __P ((void *__restrict __ptr, size_t __size, size_t __n, FILE *__restrict __stream)); /* Write chunks of generic data to STREAM. */ extern size_t fwrite __P ((__const void *__restrict __ptr, size_t __size, size_t __n, FILE *__restrict __s)); #define putc(c, stream) \ (((stream)->bufpos >= (stream)->bufwrite) ? fputc((c), (stream)) \ : (unsigned char) (*(stream)->bufpos++ = (c)) ) #define getc(stream) \ (((stream)->bufpos >= (stream)->bufread) ? fgetc(stream): \ (*(stream)->bufpos++)) #define putchar(c) putc((c), stdout) #define getchar() getc(stdin) #define ferror(fp) (((fp)->mode&__MODE_ERR) != 0) #define feof(fp) (((fp)->mode&__MODE_EOF) != 0) #define clearerr(fp) ((fp)->mode &= ~(__MODE_EOF|__MODE_ERR),0) #define fileno(fp) ((fp)->fd) /* These two call malloc */ #define setlinebuf(__fp) setvbuf((__fp), (char*)0, _IOLBF, 0) extern int setvbuf __P((FILE*, char*, int, size_t)); /* These don't */ #define setbuf(__fp, __buf) setbuffer((__fp), (__buf), BUFSIZ) extern void setbuffer __P((FILE*, char*, int)); /* Read a character from STREAM. */ extern int fgetc __P ((FILE *__stream)); extern int getc __P ((FILE *__stream)); /* Push a character back onto the input buffer of STREAM. */ extern int ungetc __P ((int __c, FILE *__stream)); /* Read a character from stdin. */ extern int getchar __P ((void)); /* Write a character to STREAM. */ extern int fputc __P ((int __c, FILE *__stream)); extern int putc __P ((int __c, FILE *__stream)); /* Write a character to stdout. */ extern int putchar __P ((int __c)); /* Close STREAM. */ extern int fclose __P ((FILE *__stream)); /* Flush STREAM, or all streams if STREAM is NULL. */ extern int fflush __P ((FILE *__stream)); /* Get a newline-terminated string from stdin, removing the newline. DO NOT USE THIS FUNCTION!! There is no limit on how much it will read. */ extern char *gets __P ((char *__s)); /* Get a newline-terminated string of finite length from STREAM. */ extern char *fgets __P ((char *__restrict __s, int __n, FILE *__restrict __stream)); extern FILE *__fopen __P((__const char *__restrict __filename, int __fd, FILE *__restrict __stream, __const char *__restrict __modes)); /* Open a file and create a new stream for it. */ #define fopen(__file, __mode) __fopen((__file), -1, (FILE*)0, (__mode)) /* Open a file, replacing an existing stream with it. */ #define freopen(__file, __mode, __fp) __fopen((__file), -1, (__fp), (__mode)) /* Create a new stream that refers to an existing system file descriptor. */ #define fdopen(__file, __mode) __fopen((char*)0, (__file), (FILE*)0, (__mode)) /* Seek to a certain position on STREAM. */ extern int fseek __P ((FILE *__stream, long int __off, int __whence)); /* Return the current position of STREAM. */ extern long int ftell __P ((FILE *__stream)); /* Rewind to the beginning of STREAM. */ extern void rewind __P ((FILE *__stream)); /* Write a string, followed by a newline, to stdout. */ extern int puts __P ((__const char *__s)); /* Write a string to STREAM. */ extern int fputs __P ((__const char *__restrict __s, FILE *__restrict __stream)); /* Write formatted output to stdout. */ extern int printf __P ((__const char *__restrict __format, ...)); /* Write formatted output to STREAM. */ extern int fprintf __P ((FILE *__restrict __stream, __const char *__restrict __format, ...)); /* Write formatted output to S. */ extern int sprintf __P ((char *__restrict __s, __const char *__restrict __format, ...)); /* Write formatted output to stdout from argument list ARG. */ extern int vprintf __P ((__const char *__restrict __format, va_list __arg)); /* Write formatted output to S from argument list ARG. */ extern int vfprintf __P ((FILE *__restrict __s, __const char *__restrict __format, va_list __arg)); /* Write formatted output to S from argument list ARG. */ extern int vsprintf __P ((char *__restrict __s, __const char *__restrict __format, va_list __arg)); /* Maximum chars of output to write in MAXLEN. */ extern int snprintf __P ((char *__restrict __s, size_t __maxlen, __const char *__restrict __format, ...)) __attribute__ ((__format__ (__printf__, 3, 4))); /* Maximum chars of output to write in MAXLEN. */ extern int vsnprintf __P ((char *__restrict __s, size_t __maxlen, __const char *__restrict __format, va_list __arg)) __attribute__ ((__format__ (__printf__, 3, 0))); /* Read formatted input from stdin. */ extern int scanf __P ((__const char *__restrict __format, ...)); /* Read formatted input from S. */ extern int sscanf __P ((__const char *__restrict __s, __const char *__restrict __format, ...)); /* Read formatted input from STREAM. */ extern int fscanf __P ((FILE *__restrict __stream, __const char *__restrict __format, ...)); /* Read formatted input from stdin into argument list ARG. */ extern int vscanf __P ((__const char *__restrict __format, va_list __arg)) __attribute__ ((__format__ (__scanf__, 1, 0))); /* Read formatted input from S into argument list ARG. */ extern int vsscanf __P ((__const char *__restrict __s, __const char *__restrict __format, va_list __arg)) __attribute__ ((__format__ (__scanf__, 2, 0))); /* Read formatted input from S into argument list ARG. */ extern int vfscanf __P ((FILE *__restrict __s, __const char *__restrict __format, va_list __arg)) __attribute__ ((__format__ (__scanf__, 2, 0))); /* Print a message describing the meaning of the value of errno. */ extern void perror __P ((__const char *__s)); /* Like `getdelim', but reads up to a newline. */ extern int getline __P ((char **__restrict __lineptr, size_t *__restrict __n, FILE *__restrict __stream)); #endif /* __STDIO_H */