expr.h

#ifndef expr_h
#define expr_h

#ifdef __cplusplus
extern {
#endif

  extern int exprDebug;

  size_t replaceExpressions(const char *source, char *buffer,
                            size_t buffersize);
  /* Resolve integer expressions that are either free standing
   * or in parentheses () embedded in an unquoted word.
   * Do not resolve expressions in single or double quoted strings.
   * An expression optionally starts with a integer format such as %x.
   * It consists of integer numbers, operators and parentheses ().
   */

#ifdef __cplusplus
}
#endif
#endif