alloca(3) Library Functions Manual alloca(3) alloca - (libc -lc) #include void *alloca(size_t size); alloca() size . alloca() . alloca() . . attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |alloca() | | MT-Safe | +------------+------------------------------------+--------------------+ . PWB, 32V. alloca() . malloc(3) free(3). longjmp(3) siglongjmp(3). . alloca() longjmp(3) siglongjmp(3). alloca() . alloca() free(3)! alloca() __builtin_alloca(). alloca() (-ansi, -std=c*) . alloca() . (VLAs) C99 C11 . C++ strdupa(3). alloca() . . SIGSEGV. alloca() alloca() . brk(2), longjmp(3), malloc(3) 3 . . : . 6.18 29 2025 alloca(3)