16 lines
198 B
C
16 lines
198 B
C
#include <stdint.h>
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uint64_t str_to_uint64 (const char* s) {
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uint64_t r = 0;
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if (!s)
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return 0;
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while (*s >= '0' && *s <= '9') {
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r = r * 10 + (*s - '0');
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s++;
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}
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return r;
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}
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