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14 lines
250 B
C

#include "scan.h"
unsigned int scan_ulong(const char *src,unsigned long *dest) {
register const char *tmp=src;
register int l=0;
register unsigned char c;
while ((c=*tmp-'0')<10) {
l=l*10+c;
++tmp;
}
*dest=l;
return tmp-src;
}