Initial Upload

screen.sym

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+00000000 screen.c
+00000000 ulib.c
+00000000 printf.c
+000003a0 printint
+0000080c digits.0
+00000000 umalloc.c
+00000ac0 freep
+00000ac4 base
+00000090 strcpy
+00000450 printf
+0000038b greeting
+000002b0 memmove
+0000035b mknod
+000001b0 gets
+0000032b getpid
+00000680 malloc
+0000033b sleep
+000002f3 pipe
+00000383 getch
+00000353 write
+00000313 fstat
+00000303 kill
+0000031b chdir
+0000030b exec
+000002eb wait
+000002fb read
+00000363 unlink
+000002db fork
+00000333 sbrk
+00000343 uptime
+00000ac0 __bss_start
+00000150 memset
+00000000 main
+000000c0 strcmp
+00000393 shutdown
+00000323 dup
+00000220 stat
+00000ac0 _edata
+00000acc _end
+0000036b link
+000002e3 exit
+00000270 atoi
+00000120 strlen
+0000034b open
+00000170 strchr
+00000373 mkdir
+0000037b close
+000005f0 free