progs/perftest.c: Use from Glibc syscall numbers.

[catacomb] / math / ec-raw.h

diff --git a/math/ec-raw.h b/math/ec-raw.h
index 0ceadd6..df8d1ab 100644 (file)
--- a/math/ec-raw.h
+++ b/math/ec-raw.h
@@ -74,6 +74,9 @@
  *             @EC_EXPLY@ is set, then an explicit %$y$%-coordinate is
  *             output in full.  Otherwise the %$y$%-coordinate is
  *             suppressed.
+ *
+ *             Returns failure (@-1@) if the flags are invalid, or if there
+ *             isn't enough space in the output buffer.
  */
 
 extern int ec_ec2osp(ec_curve */*c*/, unsigned /*f*/,