# A little bit of pointer knowledge

Source: Internet
Author: User

Blogger: This doll is quite appetizing.

1: Self: http://www.360doc.com/content/11/0925/16/6527018_151129737.shtml

A lot of people say that the flood of animals is actually the same thing.

2: A little analysis of character pointers and integer pointers

From: http://blog.csdn.net/ghost1236/article/details/6309809

Nice.

# Include <stdio. h>
# Include <stdlib. h>
/* Int main (void)
{
Int * PI;
Char * PC;
Long * pl;
Char A [] = "abcdefg ";
Int B = 10000;
Printf ("the sizeof int * is % d \ n", sizeof (PI ));
Printf ("the sizeof char * is % d \ n", sizeof (PC ));
Printf ("the sizeof long * is % d \ n", sizeof (PL ));
Pi =;
Printf ("array: the sizeof Int Is % s \ n", Pi );
PC =;
Printf ("array: the sizeof char is % s \ n", PC );
PL =;
Printf ("array: the sizeof long is % s \ n", PL );
* Pi = B;
Printf ("char number: the sizeof Int Is % d \ n", * PI );
* Pc = B;
Printf ("char number: the sizeof char is % d \ n", * PI );
* PL = B;
Printf ("char number: the sizeof long is % d \ n", * PI );

Return 0;
}*/

/* Int main (INT argc, char * argv [])
{

Char day [15] = "abcdefghijklmn ";
Char * strtmp = "opqrstuvwxyz ";

Printf ("& Day is % x \ n", & Day );
Printf ("& day [0] is % x \ n", & day [0]);
Printf ("Day is % x \ n", Day );

Printf ("\ n & strtmp is % x \ n", & strtmp );
Printf ("& strtmp [0] is % x \ n", & strtmp [0]);
Printf ("strtmp is % x \ n", strtmp );

Getchar ();
Return 0;
}*/
Int main (INT argc, char * argv [])
{
Char * c = "123456 ";
Int * I = "123456 ";

Printf ("& C is % d \ n", & C );
Printf ("C is % x \ n", C );
Printf ("* C is % s \ n", C );
C ++;
Printf ("C ++ \ n & C is % d \ n", & C );
Printf ("C is % x \ n", C );
Printf ("* C is % s \ n", C );
* C ++;
Printf ("* C ++ \ n & C is % d \ n", & C );
Printf ("C is % x \ n", C );
Printf ("* C is % s \ n", C );

Printf ("\ n & I is % d \ n", & I );
Printf ("I is % x \ n", I );
Printf ("* I is % s \ n", I );
I ++;
Printf ("2222 I ++ \ n & I is % d \ n", & I );
Printf ("I is % x \ n", I );
Printf ("* I is % s \ n", I );

Printf ("3333 * I ++ \ n & I is % d \ n", & I );
Printf ("I is % x \ n", I );
Printf ("* I is % s \ n", I );

Return 0;
}

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