sbrk              171 user/lib/libc/stdlib/malloc.c 	x = sbrk(0);
sbrk              189 user/lib/libc/stdlib/malloc.c 		x = sbrk(adjust);
sbrk              267 user/lib/libc/stdlib/malloc.c 	x = sbrk(size);
sbrk               51 user/testbin/badcall/bad_sbrk.c 	rv = sbrk(val);
sbrk              112 user/testbin/zero/zero.c 	base = sbrk(SBRK_SIZE);