ecvt

   Converts its argument to a null-terminated string of ASCII digits
   and returns the address of the string. The string is stored in a
   thread-specific memory location created by the C RTL.

   Format

     #include  <stdlib.h>

     char *ecvt  (double value, int ndigits, int *decpt, int *sign);
 

Additional information available:

Arguments       Description     Return_Value