Last change
on this file since 577 was
444,
checked in by satin@…, 6 years ago
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add newlib,libalmos-mkh, restructure shared_syscalls.h and mini-libc
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File size:
813 bytes
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Line | |
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1 | /* |
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2 | FUNCTION |
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3 | <<strrchr>>---reverse search for character in string |
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4 | |
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5 | INDEX |
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6 | strrchr |
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7 | |
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8 | SYNOPSIS |
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9 | #include <string.h> |
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10 | char * strrchr(const char *<[string]>, int <[c]>); |
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11 | |
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12 | DESCRIPTION |
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13 | This function finds the last occurence of <[c]> (converted to |
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14 | a char) in the string pointed to by <[string]> (including the |
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15 | terminating null character). |
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16 | |
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17 | RETURNS |
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18 | Returns a pointer to the located character, or a null pointer |
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19 | if <[c]> does not occur in <[string]>. |
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20 | |
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21 | PORTABILITY |
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22 | <<strrchr>> is ANSI C. |
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23 | |
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24 | <<strrchr>> requires no supporting OS subroutines. |
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25 | |
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26 | QUICKREF |
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27 | strrchr ansi pure |
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28 | */ |
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29 | |
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30 | #include <string.h> |
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31 | |
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32 | char * |
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33 | strrchr (const char *s, |
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34 | int i) |
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35 | { |
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36 | const char *last = NULL; |
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37 | |
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38 | if (i) |
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39 | { |
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40 | while ((s=strchr(s, i))) |
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41 | { |
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42 | last = s; |
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43 | s++; |
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44 | } |
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45 | } |
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46 | else |
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47 | { |
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48 | last = strchr(s, i); |
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49 | } |
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50 | |
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51 | return (char *) last; |
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52 | } |
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