int acpi_get_boot_usec(usec_t *loader_start, usec_t *loader_exit) {
_cleanup_free_ char *buf = NULL;
struct acpi_table_header *tbl;
int acpi_get_boot_usec(usec_t *loader_start, usec_t *loader_exit) {
_cleanup_free_ char *buf = NULL;
struct acpi_table_header *tbl;