Libc-1244.50.9.tar.gz

[apple/libc.git] / stdlib / FreeBSD / getsubopt.3

diff --git a/stdlib/FreeBSD/getsubopt.3 b/stdlib/FreeBSD/getsubopt.3
index 544e3438f28bf788d1505d0f458f61755cdb5660..c1ddee227418c5c93b64b9c3e76c9a5d15a5f83b 100644 (file)
--- a/stdlib/FreeBSD/getsubopt.3
+++ b/stdlib/FreeBSD/getsubopt.3
@@ -40,23 +40,27 @@
 .In stdlib.h
 .Vt extern char *suboptarg ;
 .Ft int
-.Fn getsubopt "char **optionp" "char * const *tokens" "char **valuep"
+.Fo getsubopt
+.Fa "char **optionp"
+.Fa "char *const *keylistp"
+.Fa "char **valuep"
+.Fc
 .Sh DESCRIPTION
 The
 .Fn getsubopt
 function
-parses a string containing tokens delimited by one or more tab, space or
-comma
+parses a string containing tokens that are delimited
+by one or more tab, space, or comma
 .Pq Ql \&,
 characters.
-It is intended for use in parsing groups of option arguments provided
-as part of a utility command line.
+It is intended for use in parsing groups of option arguments
+that are provided as part of a utility command line.
 .Pp
 The argument
 .Fa optionp
 is a pointer to a pointer to the string.
 The argument
-.Fa tokens
+.Fa keylistp
 is a pointer to a
 .Dv NULL Ns -terminated
 array of pointers to strings.
@@ -65,10 +69,10 @@ The
 .Fn getsubopt
 function
 returns the zero-based offset of the pointer in the
-.Fa tokens
-array referencing a string which matches the first token
-in the string, or, \-1 if the string contains no tokens or
-.Fa tokens
+.Fa keylistp
+array, referencing a string which matches the first token in the string
+ or \-1 if the string contains no tokens or
+.Fa keylistp
 does not contain a matching string.
 .Pp
 If the token is of the form ``name=value'', the location referenced by
@@ -93,7 +97,7 @@ will be set to point to the ``value'' portion of the token, or
 if no ``value'' portion was present.
 .Sh EXAMPLES
 .Bd -literal -compact
-char *tokens[] = {
+char *keylistp[] = {
        #define ONE     0
                "one",
        #define TWO     1
@@ -114,7 +118,7 @@ while ((ch = getopt(argc, argv, "ab:")) != \-1) {
        case 'b':
                options = optarg;
                while (*options) {
-                       switch(getsubopt(&options, tokens, &value)) {
+                       switch(getsubopt(&options, keylistp, &value)) {
                        case ONE:
                                /* process ``one'' sub option */
                                break;