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16 lines
329 B
C
16 lines
329 B
C
22 years ago
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#include "scan.h"
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unsigned int scan_ulonglong(const char *src,unsigned long long *dest) {
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register const char *tmp=src;
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register unsigned long long l=0;
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register unsigned char c;
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while ((c=*tmp-'0')<10) {
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unsigned long long m=l;
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l=l*10+c;
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if ((l>>3) < m) break;
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++tmp;
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}
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*dest=l;
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return tmp-src;
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}
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