rmccullagh

/*
 * return the Hamming Weight
 */
int my_pop_count(size_t x)
{
        unsigned setBits = 0;
        do {
                int rem = x % 2;
                if(rem == 1) {
                        setBits++;

rmccullagh

#include <stdbool.h>

/*
 * https://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html
 */
bool isPowerOf2(unsigned int x)
{
	/*
 	 * Convert # into binary
 	 * If there is more than 1 "1", then

rmccullagh

	global _start

	section .text
_start:
	; write (sys_write)
	; %rdi 
	; unsigned int fd
	; %rsi
	; const char __user *buf
	; %rdx

rmccullagh

#include <stdio.h>
#include <limits.h>     /* for LONG_MAX, INT_MAX */
#include <stdlib.h>
#include <stdbool.h>

#define IS_ASCII_DIGIT(c) (((c >= 48) && (c <= 57)))

long __my_atoi(char* buffer)
{
        if(buffer == NULL) {

rmccullagh

ifconfig eth0 | grep -P '[0-9].[0-9].[0-9].[0-9]$' | awk '{ print $2 }' | awk '{split($0,a,":"); print a[2]}'

rmccullagh

objects = main.o Var.o List.o
CCFLAGS = -Wall -Wextra -Wpedantic

main : $(objects)
                cc $(CCFLAGS) -o main $(objects)
.PHONY : clean
clean:
        rm -f main $(objects)

rmccullagh

#include <iostream>
#include <deque>
#include <algorithm>
#include <iterator>
#include <cstring>
#include <vector>

using namespace std;

// non-breaking-s-pace

rmccullagh

#include <iostream>
#include <map>
#include <string>
#include <algorithm>

#define NL std::cout << std::endl

using namespace std;

void __(const char *s) {

rmccullagh

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

/*
 * const char* const read only
 * const char* is read/write
 */
int find_str_in_str(const char* const base, const char* const sub)

rmccullagh

#include <stdio.h>  // fprintf
#include <stdlib.h> // malloc
#include <string.h> // strlen
#include <ctype.h>  // toupper, tolower

/*
 * a string is an array of characters, in C, all arrays
 * are always passed never passed value, always a pointer to
 * the variable
 * This is why the caller does not need to call the function like: