Fixind linter problems patch one.

src/io/ftruncate.c

src/io/lseek.c

src/io/open.c

src/io/puts.c

src/io/truncate.c

src/mm/malloc.c

src/mm/mmap.c

src/process/nanosleep.c

src/process/sleep.c

src/stat/fstat.c