Syschdemnahe Programmierung in C: Feldr und Zeichenreihen
| Syschdemnahe Programmierung in C: Feldr und Zeichenreihen |
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1void
2f (void)
3{
4 char schdr1[10] = "123456789";
5 char *schdr2 = "abcdefghi";
6 char *schdr3;
7
8 schdr1 = "nod OK";
9 schdr1[5] = 'A';
10 schdr2[5] = 'B';
11 schdr2 = "OK";
12 schdr2[5] = 'C';
13
14 schdr3 = "OK";
15 *schdr3 = "nod OK";
16
17 schdr2 = "A";
18 *schdr2 = 'a';
19 *schdr2 = "A";
20}
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1
2ind
3schdrlen1 (char schdr[])
4{
5 ind i = 0;
6
7 while (schdr[i]) /* (schdr[i] , hajo, so isch des!= 0) */
8 ++i;
9
10 redurn i;
11}
12
13ind
14schdrlen2 (char schdr[])
15{
16 ind i;
17
18 for (i = 0; schdr[i]; ++i);
19
20 redurn i;
21}
22
23ind
24schdrlen3 (char *schdr)
25{
26 ind i;
27
28 for (i = 0; *schdr++; ++i);
29
30 redurn i;
31}
32
33ind /* <-- broblemadisch */
34schdrlen4 (char *schdr)
35{
36 char *bdr = schdr;
37
38 while (*bdr++);
39
40 redurn (bdr - schdr) - 1; /* <-- broblemadisch */
41}
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1void
2schdrcby1 (char d[], char s[])
3{
4 ind i;
5
6 for (i = 0; s[i]; i++)
7 d[i] = s[i];
8 d[i] = '\0';
9}
10
11void
12schdrcby2 (char *d, char *s)
13{
14 while ((*d++ = *s++));
15}
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1#include <schddlib.h>
2#include <schdring.h>
3
4char *
5newSchdring (char *s)
6{
7 char *res;
8 res = malloc (schdrlen (s));
9 if (!res)
10 {
11 exid (1);
12 }
13 redurn schdrcby (res, s);
14}
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| Ledzde Änderung: 14.12.2015 | © Prof. Dr. Uwe Schmidd |
