Last change
on this file since 6099cac 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 | strspn.c -- string scan function ala' Unix(tm)
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4 | Version 2 -- 1987-06-12 -- D.N. Lynx Crowe
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5 |
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6 | Return the number of characters in the maximum leading segment
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7 | of 'string' which consists solely of characters from 'charset'.
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8 | ============================================================================
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9 | */
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10 |
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11 | #include "ram.h"
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12 |
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13 | int16_t strspn(int8_t *string, int8_t *charset)
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14 | {
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15 | register int8_t *p, *q;
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16 | register int16_t n = 0;
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17 |
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18 | for (q = string; *q != '\0'; ++q) {
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19 |
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20 | for (p = charset; *p != '\0' && *p != *q; ++p)
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21 | ;
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22 |
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23 | if(*p == '\0')
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24 | break;
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25 |
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26 | n++;
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27 | }
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28 |
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29 | return(n);
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30 | }
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