The function @code{perror} is declared in @file{stdio.h}.
@end deftypefun
-@deftypefun const char * strerrorname_np (int @var{errnum})
+@deftypefun {const char *} strerrorname_np (int @var{errnum})
@standards{GNU, string.h}
@safety{@mtsafe{}@assafe{}@acsafe{}}
This function returns the name describing the error @var{errnum} or
This function is a GNU extension, declared in the header file @file{string.h}.
@end deftypefun
-@deftypefun const char * strerrordesc_np (int @var{errnum})
+@deftypefun {const char *} strerrordesc_np (int @var{errnum})
@standards{GNU, string.h}
@safety{@mtsafe{}@assafe{}@acsafe{}}
This function returns the message describing the error @var{errnum} or