[PATCH 3/6] err.3: SYNOPSIS: Use 'noreturn' in prototypes

[Alejandro Colomar <alx.manpages@gmail.com>]

Glibc uses __attribute__((__noreturn__)) for [v]err[x]().
These functions never return.
Let's use standard C11 'noreturn' in the manual page.

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
---
 man3/err.3 | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/man3/err.3 b/man3/err.3
index 128afde6a..a4d4eb620 100644
--- a/man3/err.3
+++ b/man3/err.3
@@ -43,16 +43,16 @@ err, verr, errx, verrx, warn, vwarn, warnx, vwarnx \- formatted error messages
 .nf
 .B #include <err.h>
 .PP
-.BI "void err(int " eval ", const char *" fmt ", ...);"
-.BI "void errx(int " eval ", const char *" fmt ", ...);"
+.BI "noreturn void err(int " eval ", const char *" fmt ", ...);"
+.BI "noreturn void errx(int " eval ", const char *" fmt ", ...);"
 .PP
 .BI "void warn(const char *" fmt ", ...);"
 .BI "void warnx(const char *" fmt ", ...);"
 .PP
 .B #include <stdarg.h>
 .PP
-.BI "void verr(int " eval ", const char *" fmt ", va_list " args );
-.BI "void verrx(int " eval ", const char *" fmt ", va_list " args );
+.BI "noreturn void verr(int " eval ", const char *" fmt ", va_list " args );
+.BI "noreturn void verrx(int " eval ", const char *" fmt ", va_list " args );
 .PP
 .BI "void vwarn(const char *" fmt ", va_list " args );
 .BI "void vwarnx(const char *" fmt ", va_list " args );
-- 
2.30.1.721.g45526154a5