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1.1 root 1: /*
2: * Standard I/O library
3: */
4:
5: #ifndef STDIO_H
6: #define STDIO_H STDIO_H
7:
8: typedef struct FILE {
9: unsigned char *_cp, /* current character ptr */
10: *_dp, /* ptr to start of data in buffer */
11: *_bp; /* buffer pointer */
12: int _cc; /* character count */
13: int (*_gt)(), /* getc function */
14: (*_pt)(); /* putc function */
15: char _ff; /* flags; see below */
16: char _fd; /* file descriptor (reqd by reopen) */
17: int _uc; /* ungot char */
18: } FILE;
19: #endif
20:
21: #ifndef NULL
22: #define NULL ((char *)0)
23: #endif
24: #define EOF (-1)
25: #define BUFSIZ (1<<9)
26: #define _NFILE 20
27:
28: extern FILE _stdin, _stdout, _stderr, *_fp[_NFILE];
29:
30: /* Flags in _ff */
31: #define _FINUSE 01
32: #define _FSTBUF 02 /* setbuf was called */
33: #define _FUNGOT 04 /* ungotten char present */
34: #define _FEOF 0100
35: #define _FERR 0200
36:
37: #define _ep(fp) ((fp)->_bp+BUFSIZ)
38:
39: char *gets();
40: char *fgets();
41: FILE *fopen();
42: FILE *freopen();
43: FILE *fdopen();
44: FILE *popen();
45: FILE *_stropen();
46: long ftell();
47: void puts();
48: void fputs();
49: void setbuf();
50: char *malloc();
51: char *sbrk();
52:
53: #define getchar() getc(stdin)
54: #define getc(f) fgetc(f)
55: #define putchar(c) putc(c, stdout)
56: #define putc(c, fp) fputc(c, fp)
57: #define feof(fp) ((fp)->_ff&(_FEOF|_FERR))
58: #define ferror(fp) ((fp)->_ff&_FERR)
59: #define clearerr(fp) ((fp)->_ff &= ~(_FERR|_FEOF))
60: #define fileno(fp) ((fp)->_fd)
61: #define wdleng() (16)
62:
63: #define stdin (&_stdin)
64: #define stdout (&_stdout)
65: #define stderr (&_stderr)
66:
67: /*
68: * Temporary file directory manifests for System V compatibility
69: */
70: #define P_tmpdir "/tmp" /* Default temporary directory */
71: #define L_tmpnam 64 /* Maximum length of temp file name */
72:
73: /* end of stdio.h */
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