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17 lines
290 B
C
17 lines
290 B
C
atoi(as)
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char *as;
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{
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register int n, sign;
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register char *s;
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s = as;
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while( *s==' ' || *s=='\n' || *s == '\t')
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s++;
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sign = 1;
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if( *s == '+' || *s == '-' )
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sign = (*s++=='+') ? 1 : -1;
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for( n = 0; *s >= '0' && *s <= '9'; s++ )
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n = (n * 10) + (*s - '0');
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return( sign * n );
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}
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