Harald: 1 revision imported

2016-10-27T16:03:01Z

1 revision imported

Tim: New page: == Source Code == #include #include #include #include #include int main(void) { unsigned long baud = 115200; ...

2011-04-28T14:10:08Z

New page: == Source Code == <source lang="c"> #include <dev/board.h> #include <io.h> #include <stdio.h> #include <string.h> #include <stdlib.h> int main(void) { unsigned long baud = 115200; ...

New page

== Source Code ==
<source lang="c">
#include <dev/board.h>
#include <io.h>
#include <stdio.h>
#include <string.h>
#include <stdlib.h>

int main(void)
{
unsigned long baud = 115200;
char buffer[50];
char buffer2[50];
int l;
char *s;

NutRegisterDevice(&DEV_DEBUG, 0, 0);

freopen(DEV_DEBUG_NAME, "w", stdout);
_ioctl(_fileno(stdout), UART_SETSPEED, &baud);

/* Copy "Hello" to the string. */
strcpy(buffer, "Hello");

/* Append " World" to buffer. */
strcat(buffer, " World");
printf("Text: %s\n", buffer);

/* Calculate the length of the string. */
l = strlen(buffer);
printf("Text is %d Characters long\n", l);

/* Compare two strings. */
if (strcmp(buffer, "Hello World") == 0) {
printf("Both strings are equal\n");
}

/* Look for the character 'l'. */
s = strchr(buffer, 'l');
if (s != NULL) {
printf("'l' is at character %ld\n", s - buffer + 1);
}

/* Look for the string "World". */
s = strstr(buffer, "World");
if (s != NULL) {
printf("\"World\" is at character %ld\n", s - buffer + 1);
}

/* Copy the first 5 characters to buffer2. */
strncpy(buffer2, buffer, 5);
buffer2[5] = '\0';
printf("buffer2: %s\n", buffer2);

/* Append 7 characters of " DeviceDevice" to buffer2. */
strncat(buffer2, " DeviceDevice", 7);
printf("buffer2: %s\n", buffer2);

/* Compare the first 6 characters of buffer and buffer2. */
if (strncmp(buffer, buffer2, 6) == 0) {
printf("The first 6 characters are equal\n");
}

/* Look for the last character 'v'. */
s = strrchr(buffer2, 'v');
if (s != NULL) {
printf("'v' is at character %ld\n", s - buffer2 + 1);
}

/* Create a copy of buffer2 and destroy it. */
s = strdup(buffer2);
printf("s: %s\n", s);
free(s);
s = NULL;

/* Compare two strings case-insensitive. */
if (strcasecmp(buffer2, "hello device") == 0) {
printf("strcasecmp: equal\n");
}

/* Compare 6 character of two strings case-insensitive. */
if (strncasecmp(buffer2, "hello world", 6) == 0) {
printf("strncasecmp: equal\n");
}
/* Split buffer at all spaces. */
s = strtok(buffer, " ");
while (s != NULL) {
printf("strtok: %s\n", s);
s = strtok(NULL, " ");
}

/* Convert a string into lower case. */
strlwr(buffer2);
printf("buffer2: %s\n", buffer2);

/* Convert a string into upper case. */
strupr(buffer2);
printf("buffer2: %s\n", buffer2);

/* Look for the characters 'L' and 'V'. */
s = strpbrk(buffer2, "LV");
while (s != NULL) {
printf("'%c' is at character %ld\n", *s, s - buffer2 + 1);
s = strpbrk(s + 1, "LV");
}

/* Look for the character 'O' in buffer2. */
l = strcspn(buffer2, "O");
printf("'O' is at character %d\n", l + 1);

/* Calculate how many characters at the beginning are E, H or L. */
l = strspn(buffer2, "EHL");
printf("%d characters at the beginneing are E, H or L\n", l);

for (;;);

return 0;
}
</source>

== Output ==

<pre>
Text: Hello World
Text is 11 Characters long
Both strings are equal
'l' is at character 3
"World" is at character 7
buffer2: Hello
buffer2: Hello Device
The first 6 characters are equal
'v' is at character 9
s: Hello Device
strcasecmp: equal
strncasecmp: equal
strtok: Hello
strtok: World
buffer2: hello device
buffer2: HELLO DEVICE
'L' is at character 3
'L' is at character 4
'V' is at character 9
'O' is at character 5
4 characters at the beginneing are E, H or L
</pre>

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Tim: New page: == Source Code == #include #include #include #include #include int main(void) { unsigned long baud = 115200; ...