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Rev | Author | Line No. | Line |
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1906 | serge | 1 | /* |
2 | FUNCTION |
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3 | < |
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4 | |||
5 | INDEX |
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6 | strpbrk |
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7 | |||
8 | ANSI_SYNOPSIS |
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9 | #include |
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10 | char *strpbrk(const char *<[s1]>, const char *<[s2]>); |
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11 | |||
12 | TRAD_SYNOPSIS |
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13 | #include |
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14 | char *strpbrk(<[s1]>, <[s2]>) |
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15 | char *<[s1]>; |
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16 | char *<[s2]>; |
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17 | |||
18 | DESCRIPTION |
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19 | This function locates the first occurence in the string |
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20 | pointed to by <[s1]> of any character in string pointed to by |
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21 | <[s2]> (excluding the terminating null character). |
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22 | |||
23 | RETURNS |
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24 | < |
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25 | null pointer if no character from <[s2]> occurs in <[s1]>. |
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26 | |||
27 | PORTABILITY |
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28 | < |
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29 | */ |
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30 | |||
31 | #include |
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32 | |||
33 | char * |
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34 | _DEFUN (strpbrk, (s1, s2), |
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35 | _CONST char *s1 _AND |
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36 | _CONST char *s2) |
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37 | { |
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38 | _CONST char *c = s2; |
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39 | if (!*s1) |
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40 | return (char *) NULL; |
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41 | |||
42 | while (*s1) |
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43 | { |
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44 | for (c = s2; *c; c++) |
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45 | { |
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46 | if (*s1 == *c) |
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47 | break; |
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48 | } |
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49 | if (*c) |
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50 | break; |
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51 | s1++; |
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52 | } |
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53 | |||
54 | if (*c == '\0') |
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55 | s1 = NULL; |
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56 | |||
57 | return (char *) s1; |
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58 | } |