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cdef extern from "isda/yearfrac.h":
    int JpmcdsStringToDayCountConv(char* day_count, long* type)

cdef long dcc(str day_count)

cdef extern from "isda/cdate.h":
    ctypedef struct TDateInterval:
        pass

cdef extern from "isda/mdydate.h":
    ctypedef struct TMonthDayYear:
        long month
        long day
        long year

ctypedef long TDate

cdef extern from "isda/convert.h":
    int JpmcdsStringToDateInterval(char* input, char* label, TDateInterval* interval)
    int JpmcdsMakeDateInterval(int num_periods, char period_type, TDateInterval* interval)
    char* JpmcdsFormatDate(TDate date)

cdef extern from "isda/date_sup.h":
    int JpmcdsDateIntervalToFreq(TDateInterval* interval, double* freq)

cdef extern from "isda/dateconv.h":
    TDate JpmcdsDate(long year, long month, long day)
    int JpmcdsDateToMDY(TDate date, TMonthDayYear *mdyDate)

cdef extern from "isda/ldate.h":
    int JpmcdsDateFwdThenAdjust(TDate date, TDateInterval* interval, long badDayMethod,
                                char* holidayFile, TDate *advAdjustedDate)


cdef extern from "isda/busday.h":
    int  JpmcdsDateFromBusDaysOffset(TDate fromDate,    # (I) input date
                                     long offset,       # (I) number of business days
                                     char *holidayFile, # (I) holiday file specification
                                     TDate *result);
cdef TDate pydate_to_TDate(d)

cpdef object TDate_to_pydate(TDate d)