25 lines
419 B
C
25 lines
419 B
C
#include <stdlib.h>
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#include <types.h>
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#include <ctype.h>
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int atoi(const char *s) NONBANKED
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{
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UINT8 i, sign = 0;
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INT8 n;
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for(i = 0; (s[i] == ' ') || (s[i] == '\n') || (s[i] == '\t'); ++i)
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;
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switch(s[i])
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{
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case '-':
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sign++;
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/* and fall through */
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case '+':
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++i;
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break;
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}
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for(n = 0; isdigit(s[i]); ++i)
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n = 10 * n + s[i] - '0';
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return (sign == 0 ? n : -n);
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}
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