assert_perror(3) Library Functions Manual assert_perror(3) assert_perror - errnum (libc -lc) #define _GNU_SOURCE /* See feature_test_macros(7) */ #include void assert_perror(int errnum); NDEBUG assert_perror() . assert_perror() abort(3) errnum . strerror(errnum). . attributes(7). +------------+------------------------------------+--------------------+ || | | +------------+------------------------------------+--------------------+ |assert_perror()| | MT-Safe | | | | | +------------+------------------------------------+--------------------+ GNU. assert . . assert NDEBUG . . abort(3), assert(3), exit(3), strerror(3) 3 . . : . 6.18 8 2026 assert_perror(3)