28 lines
591 B
C
28 lines
591 B
C
#ifndef _BUF_
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#define _BUF_
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//
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// Extern declarations and so forth for buffer-management routines.
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//
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typedef struct _BUF {
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char data[512]; // tar depends on this 512
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int offset; // offset into data
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int count; // how many bytes available?
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int fd;
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int mode;
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} BUF, *PBUF;
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PBUF bopen(const char *file, int mode);
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PBUF bfdopen(int fd, int mode);
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void bclose(PBUF pb);
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int bread(PBUF pb, void *buf, int len);
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int bwrite(PBUF pb, void *buf, int len);
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void bfill(PBUF pb);
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void bflush(PBUF pb);
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void brewind(PBUF pb);
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int bgetc(PBUF pb);
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void bputc(PBUF pb, int c);
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#endif // _BUF_
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