Function zgbcon_

extern(C) void zgbcon_ (
  char* norm,
  int* n,
  int* kl,
  int* ku,
  std.complex.Complex!(double)* ab,
  int* ldab,
  int* ipiv,
  double* anorm,
  double* rcond,
  std.complex.Complex!(double)* work,
  double* rwork,
  int* info,
  int norm_len
);