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void output_internal(const char *s, unsigned short nl);
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void output_internal(const char *s, unsigned short nl);
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#define output(x) output_internal(x, 0)
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#define output(x) output_internal(x, 0)
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#define outputnl(x) output_internal(x, 1)
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#define outputnl(x) output_internal(x, 1)
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/*
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 * FileInfoRec (DTA) format:
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 * offset size desc
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 *    +0   21  reserved
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 *  +15h    1  file attr (1=RO 2=Hidden 4=System 8=VOL 16=DIR 32=Archive
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 *  +16h    2  time: bits 0-4=bi-seconds (0-30), bits 5-10=minutes (0-59), bits 11-15=hour (0-23)
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 *  +18h    2  date: bits 0-4=day(0-31), bits 5-8=month (1-12), bits 9-15=years since 1980
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 *  +1ah    4  DWORD file size, in bytes
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 *  +1eh   13  13-bytes max ASCIIZ filename
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 */
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_Packed struct DTA {
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  char reserved[21];
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  unsigned char attr;
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  unsigned short time;
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  unsigned short date;
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  unsigned long size;
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  char fname[13];
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};
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/* find first matching files using a FindFirst DOS call
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 * returns 0 on success or a DOS err code on failure */
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unsigned short findfirst(struct DTA *dta, const char *pattern, unsigned short attr);
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/* find next matching, ie. continues an action intiated by findfirst() */
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unsigned short findnext(struct DTA *dta);
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#endif
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#endif