/*
         *      getrusage example
         */

        #include <sys/resource.h>
        #ifndef RUSAGE_SELF
        #include <sys/procfs.h>
        #endif

        #ifdef PIOCUSAGE
                int             fd;
                char            proc[SOMETHING];
                prusage_t       prusage;

                sprintf(proc,"/proc/%d", getpid());
                if ((fd = open(proc,O_RDONLY)) == -1) {
                        perror("open");
                        ....
                }
                if (ioctl(fd, PIOCUSAGE, &prusage) == -1) {
                        perror("ioctl");
                        ...
                }
                ....
        #else                   /* Again, assume BSD */
                if (getrusage(RUSAGE_SELF, &rusage) == -1) {
                        perror("getrusage");
                        ....
                }
                ....
        #endif /* PIOCUSAGE */