4.4 SDDS_CheckColumn

• name:
  SDDS_CheckColumn
• description:
  Check to see if an column exists with the specified name, units and type.
• synopsis: #include ”SDDS.h”
  int32_t SDDS_CheckColumn(SDDS_TABLE *SDDS_table, char *name, char *units, int32_t type, FILE *fp_message);
• arguments:
  • SDDS_table: Address of the SDDS_TABLE structure for the data set.
  • name: Name of column.
  • units: Units of column, may be NULL.
  • type: Valid types are SDDS_ANY_NUMERIC_TYPE, SDDS_ANY_FLOATING_TYPE, SDDS_ANY_INTEGER_TYPE, and 0. If 0 is used this is ignored.
  • fp_message: Error messages are sent here. Usually stderr.
• return value:
  Returns SDDS_CHECK_OK on success.
• see also:
  • SDDS_CheckArray
  • SDDS_CheckParameter