Last change
on this file since 4810254 was b28a12e, checked in by Thomas Lopatic <thomas@…>, 7 years ago |
Zero redundant declarations.
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100644
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File size:
1.2 KB
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[f40a309] | 1 | /*
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| 2 | =============================================================================
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| 3 | infield.c -- field input functions
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| 4 | Version 6 -- 1988-10-20 -- D.N. Lynx Crowe
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| 5 | =============================================================================
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| 6 | */
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| 7 |
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[b28a12e] | 8 | #include "ram.h"
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[f40a309] | 9 |
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| 10 | /*
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| 11 | =============================================================================
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| 12 | infield() -- Determines whether or not a given position is in a field.
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| 13 | Returns TRUE if in a field, FALSE if not. If in a field, sets 'infetp'
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| 14 | to point at the fet entry. If not in a field, sets 'infetp' to NULL.
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| 15 | =============================================================================
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| 16 | */
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| 17 |
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[7258c6a] | 18 | int16_t infield(int16_t row, int16_t col, struct fet *fetp)
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[f40a309] | 19 | {
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| 20 | infetp = (struct fet *)NULL; /* setup for NULL infetp return */
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| 21 |
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| 22 | if ((struct fet *)NULL EQ fetp) /* handle NULL fet pointer */
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| 23 | return(FALSE);
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| 24 |
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| 25 | while (fetp->redisp) { /* redisp EQ NULL is end of table */
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| 26 |
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| 27 | if ((row EQ fetp->frow) AND /* check the entry */
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| 28 | (col GE fetp->flcol) AND
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| 29 | (col LE fetp->frcol)) {
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| 30 |
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| 31 | infetp = fetp; /* set new fet pointer */
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| 32 | return(TRUE); /* return 'found' */
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| 33 | }
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| 34 |
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| 35 | ++fetp; /* advance field pointer */
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| 36 | }
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| 37 |
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| 38 | return(FALSE); /* return 'not found' */
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| 39 | }
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| 40 |
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[6262b5c] | 41 |
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