31 lines
541 B
C
31 lines
541 B
C
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/******************************************************************************
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*
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* @brief provide serial Input/Output routines.
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*
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*******************************************************************************/
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#ifndef _IO_H
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#define _IO_H
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/********************************************************************/
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char
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in_char(void);
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void
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out_char(char);
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int
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char_present(void);
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int
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printf(const char *, ... );
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int
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sprintf(char *, const char *, ... );
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/********************************************************************/
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#endif
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