text: /* -----------------------------------------------------------------------
   * formatting.h
   *
   * src/include/utils/formatting.h
   *
   *
   *	 Portions Copyright (c) 1999-2020, PostgreSQL Global Development Group
   *
   *	 The PostgreSQL routines for a DateTime/int/float/numeric formatting,
   *	 inspired by the Oracle TO_CHAR() / TO_DATE() / TO_NUMBER() routines.
   *
   *	 Karel Zak
   *
   * -----------------------------------------------------------------------
   */
  
  #ifndef _FORMATTING_H_
  #define _FORMATTING_H_
  
  
  extern char *str_tolower(const char *buff, size_t nbytes, Oid collid);
  extern char *str_toupper(const char *buff, size_t nbytes, Oid collid);
  extern char *str_initcap(const char *buff, size_t nbytes, Oid collid);
  
  extern char *asc_tolower(const char *buff, size_t nbytes);
  extern char *asc_toupper(const char *buff, size_t nbytes);
  extern char *asc_initcap(const char *buff, size_t nbytes);
  
  extern Datum parse_datetime(text *date_txt, text *fmt, bool std,
  							Oid *typid, int32 *typmod, int *tz,
  							bool *have_error);
  
  #endif
  