stdio.h File Reference

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Macros
#define	scanf(fmt, args)   fscanf(CONSOLE, fmt, args)
#define	stderr   ((proctab[currpid]).prdesc[2])
#define	stdin   ((proctab[currpid]).prdesc[0])
#define	stdout   ((proctab[currpid]).prdesc[1])

Functions
int32	_doscan (char *, int32 *, int32(*)(void), int32(*)(char), int32, int32)
int32	fgetc (int)
	デバイス（ファイル）から文字を読み込む。 More...
char *	fgets (char *, int32, int32)
	デバイス（ファイル）から文字列を読み込む。 More...
int32	fprintf (int, char *,...)
int32	fputc (int32, int32)
	文字をデバイス（ファイル）に書き込む。 More...
int32	fputs (char *, int32)
	文字列をデバイス（ファイル）に書き込む。 More...
int32	fscanf (int32, char *, int32)
int32	getchar (void)
	STDIN（標準入力）から文字を読み込む。 More...
int32	printf (const char *,...)
int32	putchar (int32 c)
int32	sprintf (char *, char *,...)
int32	sscanf (char *, char *, int32)

Macro Definition Documentation

scanf

#define scanf	(		fmt,
			args
	)		fscanf(CONSOLE, fmt, args)

Definition at line 10 of file stdio.h.

stderr

#define stderr   ((proctab[currpid]).prdesc[2])

Definition at line 17 of file stdio.h.

Referenced by addattr(), addton(), devisid(), devonid(), getattrid(), getutime(), if(), main(), newdev(), newtype(), xsh_cat(), xsh_clear(), xsh_date(), xsh_devdump(), xsh_help(), xsh_kill(), xsh_ls(), xsh_memdump(), xsh_memstat(), xsh_netinfo(), xsh_ping(), xsh_ps(), xsh_sleep(), xsh_udpdump(), xsh_udpecho(), xsh_udpeserver(), xsh_uptime(), yyerror(), and yyparse().

stdin

#define stdin   ((proctab[currpid]).prdesc[0])

Definition at line 15 of file stdio.h.

Referenced by getchar(), if(), main(), and xsh_cat().

stdout

#define stdout   ((proctab[currpid]).prdesc[1])

Definition at line 16 of file stdio.h.

Referenced by hexdump(), hexdump_print(), if(), printf(), putchar(), and xsh_cat().

Function Documentation

_doscan()

int32 _doscan	(	char *	,
		int32 *	,
		int32(*)(void)	,
		int32(*)(char)	,
		int32	,
		int32
	)

fgetc()

int32 fgetc

(

int

dev

)

デバイス（ファイル）から文字を読み込む。

Parameters

[in]

dev

デバイスディスクリプタ

Returns

成功時は読み込んだ文字、異常時はEOFを返す。

Definition at line 19 of file fgetc.c.

References EOF, and getc().

Referenced by getchar().

{
    int result = (int)getc(dev);

    if (0 > result)
    {
        return EOF;
    }
    else
    {
        return result;
    }
}

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fgets()

char* fgets	(	char *	s,
		int	n,
		int	dev
	)

デバイス（ファイル）から文字列を読み込む。

以下のいずれかの場合に、文字列の読み込みを停止する
　・最大読み込みByteに達した
　・行の最後（改行コード）まで達した（Linux形式=LFか、Mac形式=CRのどちらか）
　・EOFまで達した
文字列（改行コード含む）の最後にはNULL終端を付与する。

Parameters

[in,out]	s	読み込んだ文字列
[in]	n	最大読み込みByte
[in]	dev	デバイスディスクリプタ

Returns

成功時は読み込んだ文字列（改行コードとNULL終端含む）、EOFや空文字の場合はNULLを返す。

Definition at line 25 of file fgets.c.

References getc(), and NULL.

{
    int c = 0;
    char *cs;

    cs = s;

    /* Read characters until maximum read length, */
    /*  end of line, or end of file               */
    while ((--n > 0) && ((c = getc(dev)) >= 0))
    {
        *cs++ = c;
        if (('\n' == c) || ('\r' == c))
        {
            break;
        }
    }

    /* Check for EOF or empty string */
    if ((c < 0) && (cs == s))
    {
        return NULL;
    }

    /* Terminate string and return */
    *cs++ = '\0';
    return s;
}

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fprintf()

int32 fprintf	(	int	,
		char *	,
			...
	)

Definition at line 14 of file fprintf.c.

References _fdoprnt(), putc(), va_end, and va_start.

Referenced by addattr(), addton(), devisid(), devonid(), getattrid(), getutime(), hexdump(), hexdump_print(), if(), main(), newdev(), newtype(), shell(), xsh_cat(), xsh_clear(), xsh_date(), xsh_devdump(), xsh_help(), xsh_kill(), xsh_ls(), xsh_memdump(), xsh_memstat(), xsh_netinfo(), xsh_ping(), xsh_ps(), xsh_sleep(), xsh_udpdump(), xsh_udpecho(), xsh_udpeserver(), xsh_uptime(), and yyerror().

{
    va_list ap;
    int putc(did32, char);

    va_start(ap, fmt);
    _fdoprnt(fmt, ap, putc, dev);
    va_end(ap);

    return 0;
}

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fputc()

int32 fputc	(	int	c,
		int	dev
	)

文字をデバイス（ファイル）に書き込む。

Parameters

[in]	c	書き込む文字
[in]	dev	デバイスディスクリプタ

Returns

成功時は書き込んだ文字、異常時はEOFを返す。

Definition at line 24 of file fputc.c.

References EOF, putc(), and SYSERR.

Referenced by putchar().

{
    if (SYSERR == (int)putc(dev, c))
    {
        return EOF;
    }
    else
    {
        return c;
    }
}

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fputs()

int32 fputs	(	char *	s,
		int	dev
	)

文字列をデバイス（ファイル）に書き込む。

Parameters

[in]	s	書き込む文字列（NULL終端されている事）
[in]	dev	デバイスディスクリプタ

Returns

最後にputc()で書き込んだ結果を返す（詳細は、 putc()を参照する事）

Definition at line 15 of file fputs.c.

References putc().

{
    int r = 0, c;

    while ((c = (*s++)))
    {
        r = putc(dev, c);
    }
    return r;
}

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fscanf()

int32 fscanf	(	int32	,
		char *	,
		int32
	)

Definition at line 23 of file fscanf.c.

References _doscan(), EMPTY, getch(), and ungetch().

{
    int buf;

    buf = EMPTY;
    return (_doscan
            (fmt, (int **)&args, getch, ungetch, dev, (int)(int)&buf));
}

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getchar()

int32 getchar

(

void

)

STDIN（標準入力）から文字を読み込む。

Returns

成功時は読み込んだ文字、異常時はEOFを返す。

Definition at line 12 of file getchar.c.

References fgetc(), and stdin.

{
    return fgetc(stdin);
}

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printf()

int32 printf	(	const char *	,
			...
	)

Definition at line 13 of file printf.c.

References _fdoprnt(), putc(), stdout, va_end, and va_start.

Referenced by arp_dmp(), arp_dump(), main(), printFreeList(), printMemUse(), xsh_argecho(), xsh_arp(), xsh_cat(), xsh_clear(), xsh_date(), xsh_devdump(), xsh_echo(), xsh_help(), xsh_kill(), xsh_ls(), xsh_memdump(), xsh_memstat(), xsh_netinfo(), xsh_ping(), xsh_ps(), xsh_sleep(), xsh_udpdump(), xsh_udpecho(), xsh_udpeserver(), and xsh_uptime().

{
    va_list ap;
    syscall putc(did32, char);

    va_start(ap, fmt);
    _fdoprnt((char *)fmt, ap, putc, stdout);
    va_end(ap);

    return 0;
}

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putchar()

int32 putchar

(

int32

c

)

Definition at line 10 of file putchar.c.

References fputc(), and stdout.

{
    return fputc(c, stdout);
}

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sprintf()

int32 sprintf	(	char *	,
		char *	,
			...
	)

Definition at line 12 of file sprintf.c.

References _fdoprnt(), sprntf(), va_end, and va_start.

Referenced by ascdate(), startup(), and xsh_netinfo().

{
    va_list ap;
    char *s;

    s = str;
    va_start(ap, fmt);
    _fdoprnt(fmt, ap, sprntf, (int)&s);
    va_end(ap);
    *s++ = '\0';

    return ((int)str);
}

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sscanf()

int32 sscanf	(	char *	,
		char *	,
		int32
	)

Definition at line 20 of file sscanf.c.

References _doscan(), sgetch(), and sungetch().

{
    char *s;

    s = str;
    return (_doscan(fmt, (int **)&args, sgetch, sungetch, 0, (int)&s));
}

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