MAXARG             15 exec.c           uint argc, sz, sp, ustack[3+MAXARG+1];
MAXARG             73 exec.c             if(argc >= MAXARG)
MAXARG            399 sysfile.c        char *path, *argv[MAXARG];
MAXARG           1620 usertests.c        static char *args[MAXARG];
MAXARG           1622 usertests.c        for(i = 0; i < MAXARG-1; i++)
MAXARG           1624 usertests.c        args[MAXARG-1] = 0;