#include "rtltypes.h" size_t u64tostr_a(unsigned long long x, char *s) { unsigned long long t = x; size_t i, r=1; while ( t >= 10 ) { t /= 10; r++; } if (s == 0) return r; for (i = r; i != 0; i--) { s[i-1] = (char)(x % 10) + '0'; x /= 10; } s[r] = (char)0; return r; } size_t u64tostr_w(unsigned long long x, wchar_t *s) { unsigned long long t = x; size_t i, r=1; while ( t >= 10 ) { t /= 10; r++; } if (s == 0) return r; for (i = r; i != 0; i--) { s[i-1] = (wchar_t)(x % 10) + L'0'; x /= 10; } s[r] = (wchar_t)0; return r; }