"Anaïs" <***@hotmail.com> wrote:
: Alguien sabe que son las tiras de bits???
como no te refieras a los campos de bits...
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#include <stdio.h>
#include <stdlib.h>
typedef struct foo {
unsigned char foo_0:2,
foo_1:2,
foo_2:2,
foo_3:2;
} foo;
union ucb {
struct bits {
unsigned char :4,
b0:1,
b1:1,
b2:1,
b3:1;
} bits;
unsigned char c;
};
int main(int argc, char** argv)
{
union ucb u;
foo bar;
bar.foo_0=0;
bar.foo_1=1;
bar.foo_2=2;
bar.foo_3=3;
printf("%d %d %d %d\n", bar.foo_0, bar.foo_1, bar.foo_2, bar.foo_3);
bar.foo_0=1;
bar.foo_1=1;
bar.foo_2=1;
/* bar.foo_3=3;*/
printf("%d %d %d %d\n", bar.foo_0, bar.foo_1, bar.foo_2, bar.foo_3);
bar.foo_0=0;
bar.foo_1=3;
bar.foo_2=2;
bar.foo_3=1;
printf("%d %d %d %d\n", bar.foo_0, bar.foo_1, bar.foo_2, bar.foo_3);
bar.foo_0=3;
bar.foo_1=1;
/* bar.foo_2=2;*/
bar.foo_3=2;
printf("%d %d %d %d\n", bar.foo_0, bar.foo_1, bar.foo_2, bar.foo_3);
printf("%d\n", sizeof(bar));
u.c=0;
u.bits.b0=1;
u.bits.b2=1;
printf("c: %d\n", u.c);
u.c=(unsigned char)atoi(argv[1]);
printf("c.b0: %d\n", u.bits.b0);
printf("c.b1: %d\n", u.bits.b1);
printf("c.b2: %d\n", u.bits.b2);
printf("c.b3: %d\n", u.bits.b3);
}
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--
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