4.50 SDDS_GetColumnIndex

• name:
  SDDS_GetColumnIndex
• description:
  Returns the index of a named column in the data set. This is used with some routines for faster access to the data or to information about the data.
• synopsis: #include ”SDDS.h”
  int32_t SDDS_GetColumnIndex(SDDS_TABLE *SDDS_table, char *column_name)
• arguments:
  • SDDS_table: Address of the SDDS_TABLE structure for the data set.
  • column_name: A NULL-terminated character string giving the name of the column for which information is desired.
• return value:
  On success, returns a non-negative integer giving the index of the column. On failure, returns -1 and records an error message.
• see also:
  • SDDS_GetColumnDefinition
  • SDDS_GetColumnInformation
  • SDDS_GetColumnNames
  • SDDS_NumberOfErrors
  • SDDS_PrintErrors