Bits
0x44 << 0x4
What is 0x440 expressed a left shift?
A library that includes the printf() function.
What is <stdio.h>?
Output from running.
void *m = malloc(0xFF) ; printf("%x", m + 0xF) ;
What is a memory location?
A function to study socket function failure states.
What is perror()?
1.0 / 0
What returns the float representing infinity?
0x44 > 0x4 == 0x40 >> 0x4
What is 1 (or 'true')?
A library that includes the socket() function?
What is <socket.h>?
Output from running.
void *m ; printf("%x", m + 0xF) ;
What is 0xF?
A function to configure sockets to be blocking or non-blocking?
What is setsockopt()?
1 / 0
What causes a divide by zero error?
(0x100 >> 0x10) << 0x10
What is zero (0)?
A library that includes the memset() function (for zeroing out arrays and other uses)?
What is <string.h>?
Output from running.
void *m = malloc(0xFF) ; printf("%x", *m + 0xF) ;
What is a void dereference error?
A function to return a file descriptor corresponding to a client.
What is accept()?
(0x1 << 0x10) * (0x1 << 0x10)
What is a zero overflow?
0x44 & 0x4 << 0x4
What is 0x40 with shift and bitmask?
A library that defines _Complex_I in some way.
What is <complex.h>?
Output from running.
char *m = malloc(0xFF) ; printf("%x", *(m + 0xF)) ;
What is the initial value of a memory location from a malloc()?
IPv6 address size in bytes.
What is 128 bits in bytes?
(float)(0x1 << 0x10) * (float)(0x1 << 0x10)
What is 2 ^ 32 as a float?
0xFF << ((((0xF & 0x8) >> 0x3) & (0x1)) << 0x8)
What is zero expressed as unclearly as possible?
A library that defines ints of specific sizes.
What is <stdint.h>?
Output from running.
char *m = malloc(0xFF) ; printf("%x", *(char *)(m - m >> 1)) ;
What memory operations will generally draw a segmentation fault?
The number of IPv6 addresses available per each IPv4 address?
(0x1000 >> 0x10 << 0x10) == (0x1000 << 0x10 >> 0x10)
What is a false numerical expression in C that 'should' be true?