core_read_mem
static ssize_t core_read_mem(struct procstat_core *core, void *buf,
if (core_read_mem(core, &pss, sizeof(pss), psstrings, true) == -1)
if (core_read_mem(core, argv, size, addr, true) == -1)
n = core_read_mem(core, p, chunksz, addr, false);