pub unsafe extern "C" fn dtrsm_(
side: *const f77_char,
uploa: *const f77_char,
transa: *const f77_char,
diaga: *const f77_char,
m: *const f77_int,
n: *const f77_int,
alpha: *const f64,
a: *const f64,
lda: *const f77_int,
b: *mut f64,
ldb: *const f77_int,
)