From 3c9fcb38b80b16322e8773c9ca570b6b741c5e75 Mon Sep 17 00:00:00 2001 From: Jim Meyering Date: Sun, 5 Nov 2000 09:52:55 +0000 Subject: [PATCH] *** empty log message *** --- lib/tru-knlist-demo.c | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 lib/tru-knlist-demo.c diff --git a/lib/tru-knlist-demo.c b/lib/tru-knlist-demo.c new file mode 100644 index 0000000000..0b90f0ea56 --- /dev/null +++ b/lib/tru-knlist-demo.c @@ -0,0 +1,39 @@ +/* From the knlist manpage */ +#include +#include +#include +#include +main () +{ + struct nlist nl[3]; + int retval, i; + nl[0].n_name = (char *)malloc(10); + nl[1].n_name = (char *)malloc(10); + nl[2].n_name = ""; + + /*******************************************************/ + /* Store names of kernel symbols in the nl array */ + strcpy (nl[0].n_name, "ncpus"); + strcpy (nl[1].n_name, "lockmode"); + + /*******************************************************/ + /* Call the knlist routine */ + retval = knlist(nl); + + /******************************************************/ + /* Display addresses if returned. Otherwise, display */ + /* the appropriate error message. */ + if (retval < 0) + printf ("No kernel symbol addresses returned.\n"); + else + if (retval >= 0 ) + for (i=0; i<2; i++) + if (nl[i].n_type == 0) + printf ("Unable to return address of symbol %s\n", + nl[i].n_name); + else + printf ("The address of symbol %s is %lx\n", + nl[i].n_name, nl[i].n_value); + free (nl[0].n_name); + free (nl[1].n_name); +} -- 2.30.2