24 lines
528 B
C
24 lines
528 B
C
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#ifndef __KF_IO_H__
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#define __KF_IO_H__
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#include "defs.h"
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class IO {
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public:
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// Virtual destructor is required in all ABCs.
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virtual ~IO() {};
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// Building block methods.
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virtual char rdch(void) = 0;
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virtual void wrch(char c) = 0;
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// Buffer I/O.
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virtual size_t rdbuf(char *buf, size_t len, bool stopat, char stopch) = 0;
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virtual void wrbuf(char *buf, size_t len) = 0;
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// Line I/O
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virtual bool rdln(char *buf, size_t len, size_t *readlen) = 0;
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virtual void wrln(char *buf, size_t len) = 0;
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};
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#endif // __KF_IO_H__
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