6.64 SDDS_GetParameterByIndex

• name:
  SDDS_GetParameterByIndex
• description:
  Returns the value of a parameter of the current data table of a data set.
• synopsis: #include ”SDDS.h”
  void *SDDS_GetParameterByIndex(SDDS_TABLE *SDDS_table, int32_t parameter_index, void *memory)
• arguments:
  • SDDS_table: Address of the SDDS_TABLE structure for the data set.
  • parameter_index: The integer index of the parameter in the data set. Returned by SDDS_DefineParameter or obtained from SDDS_GetParameterIndex.
  • memory: Pointer to memory in which to place the value of the parameter. If NULL, memory is allocated.
• return value:
  On success, returns a pointer to the location in which the data has been placed. The pointer should be cast to data-type*, where data-type is the data type of the parameter. Note that for type SDDS_STRING, data-type is char *. This data is newly-allocated, and may be modified as needed by the caller. On failure, returns NULL and records an error message.
• see also:
  • SDDS_NumberOfErrors
  • SDDS_PrintErrors