mirror of
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58 lines
1.6 KiB
C
58 lines
1.6 KiB
C
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#include <sys/types.h>
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#include <stdio.h>
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#ifdef DEFFUNC
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# define EXTERN
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#else
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# define EXTERN extern
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#endif
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#define ALN2I 1.442695022 /* 1 / ln(2) */
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#define TINY 1.0e-5 /* "zero" for heapsort */
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#define BUFFERSIZE 4096 /* a generic buffer for I/O */
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#define DEFAULT_LINECOUNT 1000 /* number of lines to memory sort */
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#define DEFAULT_LINELENGTH 512 /* max length of line recognised */
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#define DELIM 0x03 /* ETX */
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#ifdef __ORCAC__
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# define NEWLINE '\r'
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#else
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# define NEWLINE '\n'
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# define BROKEN_REALLOC
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#endif
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#ifdef __GNUC__
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int printf(char *format, ...);
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int fprintf(FILE *stream, char *format, ...);
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void perror(char *s);
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int close(int fd);
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int fclose(FILE *stream);
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int rename(char *, char *);
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void rewind(FILE *);
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#endif
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#ifdef DEBUG
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# define STATUS(string) fprintf(stderr,"%s\n",string)
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extern void begin_stack_check(void);
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extern int end_stack_check(void);
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#else
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# define STATUS(string) {;}
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#endif
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unsigned long int linecount (char *filename, size_t *maxlinelen);
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char **loadarray (unsigned long n, char *filename, size_t maxlinelen);
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void sortarray(char *array[], unsigned long n);
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int disksort (char *filename, size_t linecount, size_t linelength);
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int initdisksort(void);
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int mergeone(FILE *fpA, FILE *fpB, FILE *fpC, char strA[], char strB[],
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size_t linelength);
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EXTERN short v_flag;
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EXTERN FILE *out_fp;
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#ifdef DSORT
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EXTERN FILE *fp1, *fp2, *fp3, *fp4;
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EXTERN char *file1, *file2, *file3, *file4;
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EXTERN char *tpath1, *tpath2, *tpath3, *tpath4;
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#endif
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