Symbol: sys_ftruncate
sys/kern/init_sysent.c
549
{ .sy_narg = AS(ftruncate_args), .sy_call = (sy_call_t *)sys_ftruncate, .sy_auevent = AUE_FTRUNCATE, .sy_flags = SYF_CAPENABLED, .sy_thrcnt = SY_THR_STATIC }, /* 480 = ftruncate */
sys/sys/sysproto.h
2231
int sys_ftruncate(struct thread *, struct ftruncate_args *);