get a string with leading spaces filled with 0
void int_to_fixed_str( int nVal, int nWidth, LPSTR lpszBuff )
EX1
void int_to_fixed_str_ex1() { char lpszBuff[10]; int n = 12345; int_to_fixed_str(n, 10, lpszBuff); out_str(lpszBuff); }
origin.h