Modern C

L

label, 2^nd, 3^rd, 4^th labs function LC_ALL macro, 2^nd LC_COLLATE macro LC_CTYPE macro LC_MONETARY macro LC_NUMERIC macro LC_TIME macro LDBL_MAX macro ldexp macro, 2^nd ldiv function LEFT (obsolete), 2^nd, 3^rd lgamma macro library  constant memory_order_acq_rel, 2^nd    memory_order_acquire    memory_order_consume, 2nd    memory_order_relaxed    memory_order_release    memory_order_seq_cst    mtx_plain    mtx_recursive, 2nd    mtx_timed  function    _Exit, 2nd, 3rd, 4th, 5th, 6th    abort, 2nd, 3rd, 4th, 5th    abs    aligned_alloc, 2nd, 3rd, 4th    asctime_s    at_quick_exit, 2nd, 3rd, 4th, 5th, 6th, 7th    atexit, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th, 9th, 10th    atomic_compare_exchange_strong, 2nd    atomic_compare_exchange_strong_explicit     ...