Ejemplo025.c File Reference

#include <stdio.h>
#include <stdlib.h>
#include <time.h>

Include dependency graph for Ejemplo025.c:

Go to the source code of this file.

Macros
#define	BIT(n)
#define	BIT_GET(x, n)
#define	BIT_SET(x, n)
#define	BIT_CLEAR(x, n)
#define	BIT_TOGGLE(x, n)
#define	BIT_WRITE(x, n, v)
#define	ES_PAR(x)
#define	N   50

Functions
int	main (int argc, char *argv[])

Macro Definition Documentation

BIT

#define BIT

(

n

)

Value:

(1<<(n))

Definition at line 5 of file Ejemplo025.c.

BIT_CLEAR

#define BIT_CLEAR	(		x,
			n )

Value:

((x) &= ~BIT(n))

Definition at line 8 of file Ejemplo025.c.

BIT_GET

#define BIT_GET	(		x,
			n )

Value:

((x) & BIT(n))

Definition at line 6 of file Ejemplo025.c.

BIT_SET

#define BIT_SET	(		x,
			n )

Value:

((x) |= BIT(n))

Definition at line 7 of file Ejemplo025.c.

BIT_TOGGLE

#define BIT_TOGGLE	(		x,
			n )

Value:

((x) ^= BIT(n))

Definition at line 9 of file Ejemplo025.c.

BIT_WRITE

#define BIT_WRITE	(		x,
			n,
			v )

Value:

((v)?BIT_SET(x,n):BIT_CLEAR(x,n))

Definition at line 10 of file Ejemplo025.c.

ES_PAR

#define ES_PAR

(

x

)

Value:

(!BIT_GET(x,0))

Definition at line 11 of file Ejemplo025.c.

N

#define N   50

Definition at line 12 of file Ejemplo025.c.

Function Documentation

main()

int main	(	int	argc,
		char *	argv[] )

Definition at line 14 of file Ejemplo025.c.

{
    char str[N], c, p, v;
    int i, nc, cc, cb;
    srand(time(NULL));
    i = 0;
    do{
        c = getchar();
        str[i] = c;
        i++;
    }while(c!=10&&i<(N-1));
    nc = i-1;
    str[nc] = '\0';
    p = 0;
    i = 0;
    while(str[i]!='\0')
    {
        p^=str[i];
        i++;
    }
    printf("%s (%d)\n", str, p);
    cc = (rand()%nc);
    cb = (rand()%8);
    BIT_TOGGLE(str[cc],cb);
    v = p;
    i = 0;
    while(str[i]!='\0')
    {
        v^=str[i];
        i++;
    }
    printf("%s (%d, %d, %d)\n", str, v, cc, cb);
    return 0;
}