Convert strings of ASCII characters to the appropriate numeric
    values. atoll is a synonym for atoq.

    This function is supported on OpenVMS Integrity servers and
    Alpha only.

    Format

      #include  <stdlib.h>

      __int64 atoq  (const char *nptr);

      __int64 atoll  (const char *nptr);

  Additional Information (explode) :

• Argument
• Description
• Return Value