Fixed missing function types in synopsis.

lib/libc/compat-43/sigvec.2

@@ -46,6 +46,7 @@ struct sigvec {
 	int      sv_flags;
 };
 .Ed
+.Ft int
 .Fn sigvec "int sig" "struct sigvec *vec" "struct sigvec *ovec"
 .Sh DESCRIPTION
 .Bf -symbolic

lib/libc/gen/getloadavg.3

@@ -38,6 +38,7 @@
 .Nm getloadavg
 .Nd get system load averages
 .Sh SYNOPSIS
+.Ft int
 .Fn getloadavg "double loadavg[]" "int nelem"
 .Sh DESCRIPTION
 The

lib/libc/gen/nice.3

@@ -38,6 +38,7 @@
 .Nm nice
 .Nd set program scheduling priority
 .Sh SYNOPSIS
+.Ft int
 .Fn nice "int incr"
 .Sh DESCRIPTION
 .Bf -symbolic

lib/libc/net/gethostbyname.3

@@ -55,8 +55,11 @@
 .Fn gethostbyaddr "const char *addr" "int len" "int type"
 .Ft struct hostent *
 .Fn gethostent void
+.Ft void
 .Fn sethostent "int stayopen"
+.Ft void
 .Fn endhostent void
+.Ft void
 .Fn herror "const char *string"
 .Ft const char *
 .Fn hstrerror "int err"

lib/libc/sys/sigaction.2

@@ -46,6 +46,7 @@ struct sigaction {
 	int	 sa_flags;         /* see signal options below */
 };
 .Ed
+.Ft int
 .Fn sigaction "int sig" "const struct sigaction *act" "struct sigaction *oact"
 .Sh DESCRIPTION
 The system defines a set of signals that may be delivered to a process.

lib/libcompat/4.1/stty.3

@@ -40,7 +40,9 @@
 .Nd set and get terminal state (defunct)
 .Sh SYNOPSIS
 .Fd #include <sgtty.h>
+.Ft int
 .Fn stty "int fd" "struct sgttyb *buf"
+.Ft int
 .Fn gtty "int fd" "struct sgttyb *buf"
 .Sh DESCRIPTION
 .Bf -symbolic

usr.sbin/pcvt/keycap/keycap.3

@@ -44,8 +44,11 @@
 .Nm kgetstr
 .Nd routines for accessing the keycap database
 .Sh SYNOPSIS
+.Ft int
 .Fn kgetent "char *bp" "char *name"
+.Ft int
 .Fn kgetnum "char *id"
+.Ft int
 .Fn kgetflag "char *id"
 .Ft char *
 .Fn kgetstr "char *id" "char *area"