4.34 SDDS_FindColumn

• name:
  SDDS_FindColumn
• description:
  Determine if a column exists.
• synopsis: #include ”SDDS.h”
  char *SDDS_FindColumn(SDDS_TABLE *SDDS_table, int32_t mode, ...);
• arguments:
  • SDDS_table: Address of the SDDS_TABLE structure for the data set.
  • mode: Valid modes are FIND_SPECIFIED_TYPE, FIND_ANY_TYPE, FIND_NUMERIC_TYPE, FIND_FLOATING_TYPE, FIND_INTEGER_TYPE
  • ...: If mode is FIND_SPECIFIED_TYPE it expects an SDDS data type followed by a list of column names followed by NULL. Otherwise it expects a list of column names followed by NULL.
• return value:
  On success it returns the name of the last column specified. On error it returns a NULL and records an error message.
• see also:
  • SDDS_FindArray
  • SDDS_FindParameter