cdef extern from "<aba_for_c.h>":
    pass


cdef extern void umat(
    double *stress, double *statev, double *ddsdde, double *sse, double *spd,
    double *scd, double *rpl, double *ddsddt, double *drplde, double *drpldt,
    double *stran, double *dstran, double *time, double *dtime, double *temp,
    double *dtemp, double *predef, double *dpred, char *cmname, int *ndi,
    int *nshr, int *ntens, int *nstatv, double *props, int *nprops, double *coords,
    double *drot, double *pnewdt, double *celent, double *dfgrd0, double *dfgrd1,
    int *noel, int *npt, int *layer, int *kspt, int *jstep, int *kinc,
)
