#include static char *num="0123456789abcdefghijklmnopqrstuvwxyz"; int __ltostr(char *s, int size, unsigned long i, int base, char UpCase) { char *tmp; 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--; *tmp=num[i%base]; if ((UpCase)&&(*tmp>96)) (*tmp)-=' '; i=i/base; j++; } memmove(s,tmp,j+1); return j; }