getprotoent_r.3: SYNOPSIS: Use 'restrict' in prototypes

glibc uses 'restrict' in getprotoent_r(), getprotobyname_r(),
getprotobynumber_r().
Let's use it here too.

.../glibc$ grep_glibc_prototype getprotoent_r
resolv/netdb.h:372:
extern int getprotoent_r (struct protoent *__restrict __result_buf,
			  char *__restrict __buf, size_t __buflen,
			  struct protoent **__restrict __result);
.../glibc$ grep_glibc_prototype getprotobyname_r
resolv/netdb.h:376:
extern int getprotobyname_r (const char *__restrict __name,
			     struct protoent *__restrict __result_buf,
			     char *__restrict __buf, size_t __buflen,
			     struct protoent **__restrict __result);
.../glibc$ grep_glibc_prototype getprotobynumber_r
resolv/netdb.h:381:
extern int getprotobynumber_r (int __proto,
			       struct protoent *__restrict __result_buf,
			       char *__restrict __buf, size_t __buflen,
			       struct protoent **__restrict __result);
.../glibc$

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>

diff --git a/man3/getprotoent_r.3 b/man3/getprotoent_r.3
index 55e37d0c9258541ab0460762e9411c8149277f8c..651ec00c2be2a15be24bec73f854fe1dfcf65b11 100644 (file)
--- a/man3/getprotoent_r.3
+++ b/man3/getprotoent_r.3
@@ -31,14 +31,17 @@ protocol entry (reentrant)
 .nf
 .B #include <netdb.h>
 .PP
-.BI "int getprotoent_r(struct protoent *" result_buf ", char *" buf ,
-.BI "                size_t " buflen ", struct protoent **" result );
-.BI "int getprotobyname_r(const char *" name ,
-.BI "                struct protoent *" result_buf ", char *" buf ,
-.BI "                size_t " buflen ", struct protoent **" result );
+.BI "int getprotoent_r(struct protoent *restrict " result_buf ,
+.BI "                  char *restrict " buf ", size_t " buflen ,
+.BI "                  struct protoent **restrict " result );
+.BI "int getprotobyname_r(const char *restrict " name ,
+.BI "                  struct protoent *restrict " result_buf ,
+.BI "                  char *restrict " buf ", size_t " buflen ,
+.BI "                  struct protoent **restrict " result );
 .BI "int getprotobynumber_r(int " proto ,
-.BI "                struct protoent *" result_buf ", char *" buf ,
-.BI "                size_t " buflen ", struct protoent **" result );
+.BI "                  struct protoent *restrict " result_buf ,
+.BI "                  char *restrict " buf ", size_t " buflen ,
+.BI "                  struct protoent **restrict " result );
 .PP
 .fi
 .RS -4