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Rev Author Line No. Line
9765 turbocat 1 
#include
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#include
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/*
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** atoi(s) - convert s to integer.
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*/
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int atoi(const char* s)
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{
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    int sign, n;
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    while (isspace(*s))
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        ++s;
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    sign = 1;
9765 turbocat 13 
 
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    switch (*s) {
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    case '-':
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        sign = -1;
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    case '+':
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        ++s;
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    }
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    n = 0;
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    while (isdigit(*s))
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        n = 10 * n + *s++ - '0';
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    return (sign * n);
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}