#include <string.h> #include <stdlib.h> int __ltostr(char *s, unsigned int size, unsigned long i, unsigned int base, int UpCase) { char *tmp; unsigned int j=0; s[--size]=0; tmp=s+size; if ((base==0)||(base>36)) base=10; j=0; if (!i) { *(--tmp)='0'; j=1; } while((tmp>s)&&(i)) { tmp--; if ((*tmp=i%base+'0')>'9') *tmp+=(UpCase?'A':'a')-'9'-1; i=i/base; j++; } memmove(s,tmp,j+1); return j; }