.Dt SIGSETOPS 3
.Os
.Sh NAME
-.Nm sigemptyset ,
-.Nm sigfillset ,
.Nm sigaddset ,
.Nm sigdelset ,
+.Nm sigemptyset ,
+.Nm sigfillset ,
.Nm sigismember
.Nd manipulate signal sets
.Sh LIBRARY
.Sh SYNOPSIS
.In signal.h
.Ft int
-.Fn sigemptyset "sigset_t *set"
+.Fo sigaddset
+.Fa "sigset_t *set"
+.Fa "int signo"
+.Fc
.Ft int
-.Fn sigfillset "sigset_t *set"
+.Fo sigdelset
+.Fa "sigset_t *set"
+.Fa "int signo"
+.Fc
.Ft int
-.Fn sigaddset "sigset_t *set" "int signo"
+.Fo sigemptyset
+.Fa "sigset_t *set"
+.Fc
.Ft int
-.Fn sigdelset "sigset_t *set" "int signo"
+.Fo sigfillset
+.Fa "sigset_t *set"
+.Fc
.Ft int
-.Fn sigismember "const sigset_t *set" "int signo"
+.Fo sigismember
+.Fa "const sigset_t *set"
+.Fa "int signo"
+.Fc
.Sh DESCRIPTION
-These functions manipulate signal sets stored in a
+These functions manipulate signal sets, stored in a
.Fa sigset_t .
Either
.Fn sigemptyset
0 otherwise.
The other functions return 0.
.Sh ERRORS
-Currently no errors are detected.
+Currently, no errors are detected.
.Sh SEE ALSO
.Xr kill 2 ,
.Xr sigaction 2 ,