Last change
on this file since a3eb131 was b28a12e, checked in by Thomas Lopatic <thomas@…>, 7 years ago |
Zero redundant declarations.
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File size:
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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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8 | #include "ram.h"
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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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18 | int16_t infield(int16_t row, int16_t col, struct fet *fetp)
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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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41 |
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